{ "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-2026-33554", "tracking": { "current_release_date": "2026-04-02T13:13:27.929149Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-33554", "initial_release_date": "2026-03-24T20:50:54.737648Z", "revision_history": [ { "date": "2026-03-24T20:50:54.737648Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| References created (4)." }, { "date": "2026-03-24T20:50:56.379014Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-24T20:53:56.738269Z", "number": "3", "summary": "CVSS created.| CWES updated (1)." }, { "date": "2026-03-24T20:53:59.554788Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-24T20:56:09.011186Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (4).| CWES updated (1).| Unknown change." }, { "date": "2026-03-24T20:56:13.479625Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-03-24T21:19:17.729822Z", "number": "7", "summary": "NCSC Score updated." }, { "date": "2026-03-25T00:36:52.890036Z", "number": "8", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (5).| Product Identifiers created (5).| Product Remediations created (10).| Products created (5).| References created (6).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-03-25T00:37:05.043233Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-03-25T00:43:42.561195Z", "number": "10", "summary": "Source created.| CVE status created. (valid)| Products created (2)." }, { "date": "2026-03-25T00:43:45.762727Z", "number": "11", "summary": "NCSC Score updated." }, { "date": "2026-03-25T06:44:05.709145Z", "number": "12", "summary": "Description created for source." }, { "date": "2026-03-26T00:50:09.813280Z", "number": "13", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-26T00:50:15.506238Z", "number": "14", "summary": "NCSC Score updated." }, { "date": "2026-04-02T12:19:59.341417Z", "number": "15", "summary": "Source connected.| CVE status created. (valid)| CVSS created." }, { "date": "2026-04-02T12:20:09.691868Z", "number": "16", "summary": "NCSC Score updated." } ], "status": "interim", "version": "16" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/10", "product": { "name": "vers:rpm/10", "product_id": "CSAFPID-2858634", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:10" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 10" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/6", "product": { "name": "vers:rpm/6", "product_id": "CSAFPID-1439321", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:6" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 6" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/7", "product": { "name": "vers:rpm/7", "product_id": "CSAFPID-1439315", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:7" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 7" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/8", "product": { "name": "vers:rpm/8", "product_id": "CSAFPID-1439317", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:8" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 8" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/9", "product": { "name": "vers:rpm/9", "product_id": "CSAFPID-1439319", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:9" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 9" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5903700" } } ], "category": "product_name", "name": "freeipmi" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 10" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5903701" } } ], "category": "product_name", "name": "freeipmi" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 6" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5903702" } } ], "category": "product_name", "name": "freeipmi" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 7" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5903703" } } ], "category": "product_name", "name": "freeipmi" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 8" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5903704" } } ], "category": "product_name", "name": "freeipmi" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 9" } ], "category": "vendor", "name": "Red Hat" }, { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/unknown", "product": { "name": "vers:deb/unknown", "product_id": "CSAFPID-5904026" } } ], "category": "product_name", "name": "freeipmi" } ], "category": "product_family", "name": "bookworm" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/unknown", "product": { "name": "vers:deb/unknown", "product_id": "CSAFPID-5904027" } } ], "category": "product_name", "name": "freeipmi" } ], "category": "product_family", "name": "bullseye" } ], "category": "vendor", "name": "debian" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-33554", "cwe": { "id": "CWE-121", "name": "Stack-based Buffer Overflow" }, "notes": [ { "category": "description", "text": "ipmi-oem in FreeIPMI before 1.16.17 has exploitable buffer overflows on response messages. The Intelligent Platform Management Interface (IPMI) specification defines a set of interfaces for platform management. It is implemented by a large number of hardware manufacturers to support system management. It is most commonly used for sensor reading (e.g., CPU temperatures through the ipmi-sensors command within FreeIPMI) and remote power control (the ipmipower command). The ipmi-oem client command implements a set of a IPMI OEM commands for specific hardware vendors. If a user has supported hardware, they may wish to use the ipmi-oem command to send a request to a server to retrieve specific information. Three subcommands were found to have exploitable buffer overflows on response messages. They are: \"ipmi-oem dell get-last-post-code - get the last POST code and string describing the error on some Dell servers,\" \"ipmi-oem supermicro extra-firmware-info - get extra firmware info on Supermicro servers,\" and \"ipmi-oem wistron read-proprietary-string - read a proprietary string on Wistron servers.\"", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-33554" }, { "category": "description", "text": "ipmi-oem in FreeIPMI before 1.16.17 has exploitable buffer overflows on response messages. The Intelligent Platform Management Interface (IPMI) specification defines a set of interfaces for platform management. It is implemented by a large number of hardware manufacturers to support system management. It is most commonly used for sensor reading (e.g., CPU temperatures through the ipmi-sensors command within FreeIPMI) and remote power control (the ipmipower command). The ipmi-oem client command implements a set of a IPMI OEM commands for specific hardware vendors. If a user has supported hardware, they may wish to use the ipmi-oem command to send a request to a server to retrieve specific information. Three subcommands were found to have exploitable buffer overflows on response messages. They are: \"ipmi-oem dell get-last-post-code - get the last POST code and string describing the error on some Dell servers,\" \"ipmi-oem supermicro extra-firmware-info - get extra firmware info on Supermicro servers,\" and \"ipmi-oem wistron read-proprietary-string - read a proprietary string on Wistron servers.\"", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/33xxx/CVE-2026-33554.json" }, { "category": "description", "text": "A flaw was found in FreeIPMI. The `ipmi-oem` program is used to send Intelligent Platform Management Interface (IPMI) OEM commands for specific hardware vendors to retrieve specific information from the hardware. A malicious server can reply with crafted response messages and cause buffer overflows when processed, potentially resulting in a denial of service and memory corruption.\nTo exploit this vulnerability, a user needs to execute the `ipmi-oem` program to retrieve information from a compromised or malicious Baseboard Management Controller (BMC) server, limiting the exposure of this flaw.\nSpecifically, the following `ipmi-oem` commands are vulnerable to this issue:\n- ipmi-oem dell get-last-post-code\n- ipmi-oem supermicro extra-firmware-info\n- ipmi-oem wistron read-proprietary-string\nDefault Red Hat Enterprise Linux security features, including SELinux enforcement, Address Space Layout Randomization (ASLR) and NX (No-Execute) stack protection, significantly increase the difficulty of achieving arbitrary code execution, limiting the impact of this vulnerability.\nDue to these reasons, this flaw has been rated with a moderate severity.", "title": "redhat - https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-33554.json" }, { "category": "description", "text": "ipmi-oem in FreeIPMI before 1.16.17 has exploitable buffer overflows on response messages. The Intelligent Platform Management Interface (IPMI) specification defines a set of interfaces for platform management. It is implemented by a large number of hardware manufacturers to support system management. It is most commonly used for sensor reading (e.g., CPU temperatures through the ipmi-sensors command within FreeIPMI) and remote power control (the ipmipower command). The ipmi-oem client command implements a set of a IPMI OEM commands for specific hardware vendors. If a user has supported hardware, they may wish to use the ipmi-oem command to send a request to a server to retrieve specific information. Three subcommands were found to have exploitable buffer overflows on response messages. They are: \"ipmi-oem dell get-last-post-code - get the last POST code and string describing the error on some Dell servers,\" \"ipmi-oem supermicro extra-firmware-info - get extra firmware info on Supermicro servers,\" and \"ipmi-oem wistron read-proprietary-string - read a proprietary string on Wistron servers.\"", "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-33554" }, { "category": "other", "text": "0.00042", "title": "EPSS" }, { "category": "other", "text": "3.4", "title": "NCSC Score" }, { "category": "other", "text": "Is related to a product by vendor Debian, There is product_remediation data available from source Redhat, There is cwe data available from source Nvd", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 2\n", "title": "Vendor assessment" } ], "product_status": { "known_affected": [ "CSAFPID-1439315", "CSAFPID-1439317", "CSAFPID-1439319", "CSAFPID-1439321", "CSAFPID-2858634", "CSAFPID-5903700", "CSAFPID-5903701", "CSAFPID-5903702", "CSAFPID-5903703", "CSAFPID-5903704", "CSAFPID-5904026", "CSAFPID-5904027" ] }, "references": [ { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-33554" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/33xxx/CVE-2026-33554.json" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-33554.json" }, { "category": "external", "summary": "Source - debian", "url": "https://security-tracker.debian.org/tracker/CVE-2026-33554" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - microsoft", "url": "https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2026-Mar" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://ftp.gnu.org/gnu/freeipmi/" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://savannah.gnu.org/bugs/?68140" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://savannah.gnu.org/bugs/?68141" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://savannah.gnu.org/bugs/?68142" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-33554" }, { "category": "external", "summary": "Reference - redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33554" } ], "remediations": [ { "category": "mitigation", "details": "To mitigate this issue, ensure all BMCs and the servers running FreeIPMI are isolated on a dedicated and restricted network environment.", "product_ids": [ "CSAFPID-1439315", "CSAFPID-1439317", "CSAFPID-1439319", "CSAFPID-1439321", "CSAFPID-2858634", "CSAFPID-5903700", "CSAFPID-5903701", "CSAFPID-5903702", "CSAFPID-5903703", "CSAFPID-5903704" ] } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1439315", "CSAFPID-1439317", "CSAFPID-1439319", "CSAFPID-1439321", "CSAFPID-2858634", "CSAFPID-5903700", "CSAFPID-5903701", "CSAFPID-5903702", "CSAFPID-5903703", "CSAFPID-5903704", "CSAFPID-5904026", "CSAFPID-5904027" ] } ], "title": "CVE-2026-33554" } ] }