{
    "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-2026-20151",
        "tracking": {
            "current_release_date": "2026-04-02T15:31:26.679428Z",
            "generator": {
                "date": "2026-02-17T15:00:00Z",
                "engine": {
                    "name": "V.E.L.M.A",
                    "version": "1.7"
                }
            },
            "id": "CVE-2026-20151",
            "initial_release_date": "2026-04-01T17:42:12.731310Z",
            "revision_history": [
                {
                    "date": "2026-04-01T17:42:12.731310Z",
                    "number": "1",
                    "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (24).| Products connected (5).| References created (1).| CWES updated (1)."
                },
                {
                    "date": "2026-04-01T17:42:29.528277Z",
                    "number": "2",
                    "summary": "NCSC Score created."
                },
                {
                    "date": "2026-04-01T18:13:06.066250Z",
                    "number": "3",
                    "summary": "Source created.| CVE status created. (valid)| CVSS created.| References created (7)."
                },
                {
                    "date": "2026-04-01T18:13:07.867698Z",
                    "number": "4",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-04-01T18:21:01.224844Z",
                    "number": "5",
                    "summary": "Source connected.| CVE status created. (valid)| Description created for source.| References created (1).| CWES updated (1)."
                },
                {
                    "date": "2026-04-01T18:21:05.147632Z",
                    "number": "6",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-04-01T18:40:51.972320Z",
                    "number": "7",
                    "summary": "Unknown change."
                },
                {
                    "date": "2026-04-01T23:04:10.179128Z",
                    "number": "8",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)."
                },
                {
                    "date": "2026-04-01T23:04:12.771997Z",
                    "number": "9",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-04-02T15:30:25.519920Z",
                    "number": "10",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-04-02T15:30:31.998426Z",
                    "number": "11",
                    "summary": "NCSC Score updated."
                }
            ],
            "status": "interim",
            "version": "11"
        }
    },
    "product_tree": {
        "branches": [
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/7-202001",
                                "product": {
                                    "name": "vers:unknown/7-202001",
                                    "product_id": "CSAFPID-5980829"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8-202004",
                                "product": {
                                    "name": "vers:unknown/8-202004",
                                    "product_id": "CSAFPID-5980830"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8-202006",
                                "product": {
                                    "name": "vers:unknown/8-202006",
                                    "product_id": "CSAFPID-5980831"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8-202008",
                                "product": {
                                    "name": "vers:unknown/8-202008",
                                    "product_id": "CSAFPID-5980834"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8-202010",
                                "product": {
                                    "name": "vers:unknown/8-202010",
                                    "product_id": "CSAFPID-5980833"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8-202012",
                                "product": {
                                    "name": "vers:unknown/8-202012",
                                    "product_id": "CSAFPID-5980832"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8-202102",
                                "product": {
                                    "name": "vers:unknown/8-202102",
                                    "product_id": "CSAFPID-5980836"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8-202105",
                                "product": {
                                    "name": "vers:unknown/8-202105",
                                    "product_id": "CSAFPID-5980837"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8-202108",
                                "product": {
                                    "name": "vers:unknown/8-202108",
                                    "product_id": "CSAFPID-5980838"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8-202112",
                                "product": {
                                    "name": "vers:unknown/8-202112",
                                    "product_id": "CSAFPID-5980839"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8-202201",
                                "product": {
                                    "name": "vers:unknown/8-202201",
                                    "product_id": "CSAFPID-5980840"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8-202206",
                                "product": {
                                    "name": "vers:unknown/8-202206",
                                    "product_id": "CSAFPID-2165262"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8-202212",
                                "product": {
                                    "name": "vers:unknown/8-202212",
                                    "product_id": "CSAFPID-5980841"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8-202302",
                                "product": {
                                    "name": "vers:unknown/8-202302",
                                    "product_id": "CSAFPID-5980842"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8-202303",
                                "product": {
                                    "name": "vers:unknown/8-202303",
                                    "product_id": "CSAFPID-5980843"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8-202304",
                                "product": {
                                    "name": "vers:unknown/8-202304",
                                    "product_id": "CSAFPID-5980844"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8-202308",
                                "product": {
                                    "name": "vers:unknown/8-202308",
                                    "product_id": "CSAFPID-5980845"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8-202401",
                                "product": {
                                    "name": "vers:unknown/8-202401",
                                    "product_id": "CSAFPID-5980846"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8-202404",
                                "product": {
                                    "name": "vers:unknown/8-202404",
                                    "product_id": "CSAFPID-5980847"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/9-202201",
                                "product": {
                                    "name": "vers:unknown/9-202201",
                                    "product_id": "CSAFPID-5980835"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/9-202406",
                                "product": {
                                    "name": "vers:unknown/9-202406",
                                    "product_id": "CSAFPID-5980848"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/9-202407",
                                "product": {
                                    "name": "vers:unknown/9-202407",
                                    "product_id": "CSAFPID-5980849"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/9-202410",
                                "product": {
                                    "name": "vers:unknown/9-202410",
                                    "product_id": "CSAFPID-5980850"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/9-202412",
                                "product": {
                                    "name": "vers:unknown/9-202412",
                                    "product_id": "CSAFPID-5980851"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/9-202501",
                                "product": {
                                    "name": "vers:unknown/9-202501",
                                    "product_id": "CSAFPID-5980852"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/9-202502",
                                "product": {
                                    "name": "vers:unknown/9-202502",
                                    "product_id": "CSAFPID-5980825"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/9-202504",
                                "product": {
                                    "name": "vers:unknown/9-202504",
                                    "product_id": "CSAFPID-5980826"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/9-202507",
                                "product": {
                                    "name": "vers:unknown/9-202507",
                                    "product_id": "CSAFPID-5980827"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/9-202510",
                                "product": {
                                    "name": "vers:unknown/9-202510",
                                    "product_id": "CSAFPID-5980828"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Cisco Smart Software Manager On-Prem"
                    }
                ],
                "category": "vendor",
                "name": "Cisco"
            }
        ]
    },
    "vulnerabilities": [
        {
            "cve": "CVE-2026-20151",
            "cwe": {
                "id": "CWE-201",
                "name": "Insertion of Sensitive Information Into Sent Data"
            },
            "notes": [
                {
                    "category": "description",
                    "text": "A vulnerability in the web interface of Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an authenticated, remote attacker to elevate privileges on an affected system.\r\n\r\nThis vulnerability is due to the improper transmission of sensitive user information. An attacker could exploit this vulnerability by sending a crafted message to an affected Cisco SSM On-Prem host and retrieving session credentials from subsequent status messages. A successful exploit could allow the attacker to elevate privileges on the affected system from low to administrative.\r\nTo exploit this vulnerability, the attacker must have valid credentials for a user account with at least the role of System User.\r\nNote: This vulnerability exposes information only about users who logged in to the Cisco SSM On-Prem host using the web interface and who are currently logged in. SSH sessions are not affected.",
                    "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/20xxx/CVE-2026-20151.json"
                },
                {
                    "category": "description",
                    "text": "A vulnerability in the web interface of Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an authenticated, remote attacker to elevate privileges on an affected system.This vulnerability is due to the improper transmission of sensitive user information. An attacker could ",
                    "title": "cisco - https://sec.cloudapps.cisco.com/security/center/publicationService.x?limit=20"
                },
                {
                    "category": "description",
                    "text": "A vulnerability in the web interface of Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an authenticated, remote attacker to elevate privileges on an affected system.\r\n\r\nThis vulnerability is due to the improper transmission of sensitive user information. An attacker could exploit this vulnerability by sending a crafted message to an affected Cisco SSM On-Prem host and retrieving session credentials from subsequent status messages. A successful exploit could allow the attacker to elevate privileges on the affected system from low to administrative.\r\nTo exploit this vulnerability, the attacker must have valid credentials for a user account with at least the role of System User.\r\nNote: This vulnerability exposes information only about users who logged in to the Cisco SSM On-Prem host using the web interface and who are currently logged in. SSH sessions are not affected.",
                    "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-20151"
                },
                {
                    "category": "other",
                    "text": "0.00038",
                    "title": "EPSS"
                },
                {
                    "category": "other",
                    "text": "5.2",
                    "title": "NCSC Score"
                },
                {
                    "category": "other",
                    "text": "Is related to a product by vendor Cisco, Is related to CWE-201 (Insertion of Sensitive Information Into Sent Data), There is cwe data available from source Cisco, There is cvss data available from source Cisco",
                    "title": "NCSC Score top increasing factors"
                },
                {
                    "category": "other",
                    "text": "There is cwe data available from source Nvd",
                    "title": "NCSC Score top decreasing factors"
                }
            ],
            "product_status": {
                "known_affected": [
                    "CSAFPID-2165262",
                    "CSAFPID-5980825",
                    "CSAFPID-5980826",
                    "CSAFPID-5980827",
                    "CSAFPID-5980828",
                    "CSAFPID-5980829",
                    "CSAFPID-5980830",
                    "CSAFPID-5980831",
                    "CSAFPID-5980832",
                    "CSAFPID-5980833",
                    "CSAFPID-5980834",
                    "CSAFPID-5980835",
                    "CSAFPID-5980836",
                    "CSAFPID-5980837",
                    "CSAFPID-5980838",
                    "CSAFPID-5980839",
                    "CSAFPID-5980840",
                    "CSAFPID-5980841",
                    "CSAFPID-5980842",
                    "CSAFPID-5980843",
                    "CSAFPID-5980844",
                    "CSAFPID-5980845",
                    "CSAFPID-5980846",
                    "CSAFPID-5980847",
                    "CSAFPID-5980848",
                    "CSAFPID-5980849",
                    "CSAFPID-5980850",
                    "CSAFPID-5980851",
                    "CSAFPID-5980852"
                ]
            },
            "references": [
                {
                    "category": "external",
                    "summary": "Source - cveprojectv5",
                    "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/20xxx/CVE-2026-20151.json"
                },
                {
                    "category": "external",
                    "summary": "Source - cisco",
                    "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cssm-priv-esc-xRAnOuO8/csaf/cisco-sa-cssm-priv-esc-xRAnOuO8.json"
                },
                {
                    "category": "external",
                    "summary": "Source - cisco",
                    "url": "https://sec.cloudapps.cisco.com/security/center/publicationService.x?limit=20"
                },
                {
                    "category": "external",
                    "summary": "Source - nvd",
                    "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-20151"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0"
                },
                {
                    "category": "external",
                    "summary": "Reference - cisco; cveprojectv5; nvd",
                    "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cssm-priv-esc-xRAnOuO8"
                },
                {
                    "category": "external",
                    "summary": "Reference - cisco",
                    "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
                },
                {
                    "category": "external",
                    "summary": "Reference - cisco",
                    "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"
                },
                {
                    "category": "external",
                    "summary": "Reference - cisco",
                    "url": "http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html"
                },
                {
                    "category": "external",
                    "summary": "Reference - cisco",
                    "url": "https://www.cisco.com/c/en/us/support/index.html"
                },
                {
                    "category": "external",
                    "summary": "Reference - cisco",
                    "url": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"
                },
                {
                    "category": "external",
                    "summary": "Reference - cisco",
                    "url": "https://www.cisco.com/go/psirt"
                }
            ],
            "scores": [
                {
                    "cvss_v3": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N",
                        "baseScore": 7.3,
                        "baseSeverity": "HIGH"
                    },
                    "products": [
                        "CSAFPID-2165262",
                        "CSAFPID-5980825",
                        "CSAFPID-5980826",
                        "CSAFPID-5980827",
                        "CSAFPID-5980828",
                        "CSAFPID-5980829",
                        "CSAFPID-5980830",
                        "CSAFPID-5980831",
                        "CSAFPID-5980832",
                        "CSAFPID-5980833",
                        "CSAFPID-5980834",
                        "CSAFPID-5980835",
                        "CSAFPID-5980836",
                        "CSAFPID-5980837",
                        "CSAFPID-5980838",
                        "CSAFPID-5980839",
                        "CSAFPID-5980840",
                        "CSAFPID-5980841",
                        "CSAFPID-5980842",
                        "CSAFPID-5980843",
                        "CSAFPID-5980844",
                        "CSAFPID-5980845",
                        "CSAFPID-5980846",
                        "CSAFPID-5980847",
                        "CSAFPID-5980848",
                        "CSAFPID-5980849",
                        "CSAFPID-5980850",
                        "CSAFPID-5980851",
                        "CSAFPID-5980852"
                    ]
                }
            ],
            "title": "CVE-2026-20151"
        }
    ]
}