{"id":"CVE-2026-16521","aliases":["EUVD-2026-110621","GHSA-rwmh-x2cf-2ccg"],"status":"published","title":"Supermicro BMC's syslog feature contains a command injection vulnerability","description":"An OS command injection vulnerability exists because of insufficient input filtering. An attacker can inject a command payload into a BMC function; the payload may execute when the related service is restarted.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00877,"percentile":0.59496,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2026-10-27T07:22:05Z","modified":"2026-11-04T15:00:10Z","products":[{"vendor":"smci","product":"mbd-x12stw-f"}],"references":[{"url":"https://www.supermicro.com/en/support/security_BMC_IPMI_Oct_2026_2"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16521"},{"url":"https://github.com/advisories/GHSA-rwmh-x2cf-2ccg"}],"sources":{"cve":[{"id":"CVE-2026-16521","title":"Supermicro BMC's syslog feature contains a command injection vulnerability","description":"An OS command injection vulnerability exists because of insufficient input filtering. An attacker can inject a command payload into a BMC function; the payload may execute when the related service is restarted.","status":"published","published":"2026-10-27T07:22:05.661Z","modified":"2026-11-04T15:00:10.11Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-04T16:33:48.002261Z"}],"euvd":[{"id":"EUVD-2026-110621","description":"An OS command injection vulnerability exists because of insufficient input filtering. An attacker can inject a command payload into a BMC function; the payload may execute when the related service is restarted.","status":"published","published":"2026-10-27T07:22:05Z","modified":"2026-11-04T15:00:10Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-04T16:10:35.925015Z"}],"ghsa":[{"id":"GHSA-rwmh-x2cf-2ccg","title":"An OS command injection vulnerability exists because of insufficient input filtering. An attacker...","description":"An OS command injection vulnerability exists because of insufficient input filtering. An attacker can inject a command payload into a BMC function; the payload may execute when the related service is restarted.","status":"published","published":"2026-10-27T09:30:58Z","modified":"2026-10-27T09:30:59Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:14:28.078787Z"}],"nvd":[{"id":"CVE-2026-16521","description":"An OS command injection vulnerability exists because of insufficient input filtering. An attacker can inject a command payload into a BMC function; the payload may execute when the related service is restarted.","status":"published","published":"2026-10-27T08:16:53.443Z","modified":"2026-11-04T15:17:43.713Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-04T18:06:23.753671Z"}]}}