{
    "document": {
        "category": "csaf_base",
        "csaf_version": "2.0",
        "distribution": {
            "tlp": {
                "label": "WHITE"
            }
        },
        "lang": "en",
        "notes": [
            {
                "category": "legal_disclaimer",
                "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings."
            }
        ],
        "publisher": {
            "category": "coordinator",
            "contact_details": "cert@ncsc.nl",
            "name": "National Cyber Security Centre",
            "namespace": "https://www.ncsc.nl/"
        },
        "title": "CVE-2026-23767",
        "tracking": {
            "current_release_date": "2026-03-20T09:54:19.833748Z",
            "generator": {
                "date": "2026-02-17T15:00:00Z",
                "engine": {
                    "name": "V.E.L.M.A",
                    "version": "1.7"
                }
            },
            "id": "CVE-2026-23767",
            "initial_release_date": "2026-03-05T06:28:55.870714Z",
            "revision_history": [
                {
                    "date": "2026-03-05T06:28:55.870714Z",
                    "number": "1",
                    "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| References created (3).| CWES updated (1)."
                },
                {
                    "date": "2026-03-05T06:29:02.332116Z",
                    "number": "2",
                    "summary": "NCSC Score created."
                },
                {
                    "date": "2026-03-05T06:40:04.914893Z",
                    "number": "3",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products created (1).| References created (3).| CWES updated (1)."
                },
                {
                    "date": "2026-03-05T06:40:07.709167Z",
                    "number": "4",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-05T14:21:12.510880Z",
                    "number": "5",
                    "summary": "Source created.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-03-05T14:21:23.404808Z",
                    "number": "6",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-06T10:38:48.037159Z",
                    "number": "7",
                    "summary": "CVSS created.| Unknown change."
                },
                {
                    "date": "2026-03-06T10:38:50.963581Z",
                    "number": "8",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-06T11:25:06.399840Z",
                    "number": "9",
                    "summary": "CVSS created."
                },
                {
                    "date": "2026-03-06T11:25:14.464948Z",
                    "number": "10",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-09T14:23:51.658908Z",
                    "number": "11",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-09T19:25:18.138971Z",
                    "number": "12",
                    "summary": "Products created (24).| Product Identifiers created (24)."
                },
                {
                    "date": "2026-03-09T19:25:26.337275Z",
                    "number": "13",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-09T21:55:34.171760Z",
                    "number": "14",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-20T09:54:16.176072Z",
                    "number": "15",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-03-20T09:54:19.346832Z",
                    "number": "16",
                    "summary": "NCSC Score updated."
                }
            ],
            "status": "interim",
            "version": "16"
        }
    },
    "product_tree": {
        "branches": [
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/allproductsimplementingesc/pos",
                                "product": {
                                    "name": "vers:unknown/allproductsimplementingesc/pos",
                                    "product_id": "CSAFPID-5761006"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "ESC/POS"
                    }
                ],
                "category": "vendor",
                "name": "Seiko Epson Corporation"
            },
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772288",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:sb-h50_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "sb-h50_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772289",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-h6000v_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-h6000v_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772290",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-l100_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-l100_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772291",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-m10_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-m10_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772292",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-m30_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-m30_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772294",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-m30ii-h_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-m30ii-h_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772295",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-m30ii-s_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-m30ii-s_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772296",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-m30ii-sl_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-m30ii-sl_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772293",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-m30ii_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-m30ii_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772298",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-m30iii-h_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-m30iii-h_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772297",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-m30iii_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-m30iii_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772299",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-m55_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-m55_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772302",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-p20_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-p20_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772300",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-p20ii_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-p20ii_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772303",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-p60ii_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-p60ii_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772304",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-p80_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-p80_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772301",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-p80ii_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-p80ii_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772305",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-t20ii_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-t20ii_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772306",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-t20iii_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-t20iii_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772308",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-t88vi-ihub_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-t88vi-ihub_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772307",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-t88vi_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-t88vi_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772309",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:tm-t88vii_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "tm-t88vii_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772311",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:ub-e04_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "ub-e04_firmware"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-5772310",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:o:epson:ub-r04_firmware:-:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "ub-r04_firmware"
                    }
                ],
                "category": "vendor",
                "name": "epson"
            }
        ]
    },
    "vulnerabilities": [
        {
            "cve": "CVE-2026-23767",
            "cwe": {
                "id": "CWE-306",
                "name": "Missing Authentication for Critical Function"
            },
            "notes": [
                {
                    "category": "description",
                    "text": "ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for user authentication and command authorization, does not provide controls to restrict sources or destinations of network communication, and transmits commands without encryption or integrity protection.",
                    "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-23767"
                },
                {
                    "category": "description",
                    "text": "ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for user authentication and command authorization, does not provide controls to restrict sources or destinations of network communication, and transmits commands without encryption or integrity protection.",
                    "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-23767"
                },
                {
                    "category": "other",
                    "text": "0.00046",
                    "title": "EPSS"
                },
                {
                    "category": "other",
                    "text": "5.3",
                    "title": "NCSC Score"
                },
                {
                    "category": "other",
                    "text": "There is cvss data available from a private source, There is product data available from a private source",
                    "title": "NCSC Score top increasing factors"
                },
                {
                    "category": "other",
                    "text": "Is related to an uncommon product vendor",
                    "title": "NCSC Score top decreasing factors"
                }
            ],
            "product_status": {
                "known_affected": [
                    "CSAFPID-5761006",
                    "CSAFPID-5772288",
                    "CSAFPID-5772289",
                    "CSAFPID-5772290",
                    "CSAFPID-5772291",
                    "CSAFPID-5772292",
                    "CSAFPID-5772293",
                    "CSAFPID-5772294",
                    "CSAFPID-5772295",
                    "CSAFPID-5772296",
                    "CSAFPID-5772297",
                    "CSAFPID-5772298",
                    "CSAFPID-5772299",
                    "CSAFPID-5772300",
                    "CSAFPID-5772301",
                    "CSAFPID-5772302",
                    "CSAFPID-5772303",
                    "CSAFPID-5772304",
                    "CSAFPID-5772305",
                    "CSAFPID-5772306",
                    "CSAFPID-5772307",
                    "CSAFPID-5772308",
                    "CSAFPID-5772309",
                    "CSAFPID-5772310",
                    "CSAFPID-5772311"
                ]
            },
            "references": [
                {
                    "category": "external",
                    "summary": "Source - nvd",
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23767"
                },
                {
                    "category": "external",
                    "summary": "Source raw - nvd",
                    "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-23767"
                },
                {
                    "category": "external",
                    "summary": "Source - cveprojectv5",
                    "url": "https://www.cve.org/CVERecord?id=CVE-2026-23767"
                },
                {
                    "category": "external",
                    "summary": "Source raw - cveprojectv5",
                    "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/23xxx/CVE-2026-23767.json"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-23767"
                },
                {
                    "category": "external",
                    "summary": "Source raw - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd",
                    "url": "https://download4.epson.biz/sec_pubs/bs/pdf/IP_Filtering_Guide_en_revA.pdf"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd",
                    "url": "https://jvn.jp/en/ta/JVNTA97995322/"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd",
                    "url": "https://www.epson.jp/support/misc_t/260305_oshirase.htm"
                }
            ],
            "scores": [
                {
                    "cvss_v3": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "baseScore": 9.8,
                        "baseSeverity": "CRITICAL"
                    },
                    "products": [
                        "CSAFPID-5761006",
                        "CSAFPID-5772288",
                        "CSAFPID-5772289",
                        "CSAFPID-5772290",
                        "CSAFPID-5772291",
                        "CSAFPID-5772292",
                        "CSAFPID-5772293",
                        "CSAFPID-5772294",
                        "CSAFPID-5772295",
                        "CSAFPID-5772296",
                        "CSAFPID-5772297",
                        "CSAFPID-5772298",
                        "CSAFPID-5772299",
                        "CSAFPID-5772300",
                        "CSAFPID-5772301",
                        "CSAFPID-5772302",
                        "CSAFPID-5772303",
                        "CSAFPID-5772304",
                        "CSAFPID-5772305",
                        "CSAFPID-5772306",
                        "CSAFPID-5772307",
                        "CSAFPID-5772308",
                        "CSAFPID-5772309",
                        "CSAFPID-5772310",
                        "CSAFPID-5772311"
                    ]
                }
            ],
            "title": "CVE-2026-23767"
        }
    ]
}