{"id":"CVE-2021-39295","aliases":["EUVD-2021-25656","GHSA-8gg3-qvw7-qmgm","GHSA-gg9x-v835-m48q"],"status":"published","title":"In OpenBMC 2.9, crafted IPMI messages allow an attacker to cause a denial of service to the BMC...","description":"In OpenBMC 2.9, crafted IPMI messages allow an attacker to cause a denial of service to the BMC via the netipmid (IPMI lan+) interface.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01282,"percentile":0.70447,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2021-09-09T18:15:09.097Z","modified":"2026-10-20T10:55:05Z","products":[{"vendor":"openbmc-project","product":"openbmc"}],"references":[{"url":"https://openbmc.org","tags":["x_transferred","Product","web"]},{"url":"https://github.com/openbmc/openbmc","tags":["x_transferred","Product","package","advisory"]},{"url":"https://github.com/openbmc/docs/blob/master/release/release-notes.md","tags":["x_transferred","Release Notes","advisory"]},{"url":"https://github.com/openbmc/openbmc/issues/3811","tags":["x_transferred","Not Applicable","report"]},{"url":"https://github.com/google/security-research/security/advisories/GHSA-gg9x-v835-m48q","tags":["x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00737.html","tags":["x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39295"},{"url":"https://github.com/advisories/GHSA-8gg3-qvw7-qmgm"}],"sources":{"cve":[{"id":"CVE-2021-39295","description":"In OpenBMC 2.9, crafted IPMI messages allow an attacker to cause a denial of service to the BMC via the netipmid (IPMI lan+) interface.","status":"published","published":"2023-04-15T00:00:00Z","modified":"2025-02-06T16:09:52.137Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:33:09.540052Z"}],"euvd":[{"id":"EUVD-2021-25656","description":"In OpenBMC 2.9, crafted IPMI messages allow an attacker to cause a denial of service to the BMC via the netipmid (IPMI lan+) interface.","status":"published","published":"2023-04-15T00:00:00Z","modified":"2025-02-06T16:09:52Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:03.312509Z"}],"ghsa":[{"id":"GHSA-8gg3-qvw7-qmgm","title":"In OpenBMC 2.9, crafted IPMI messages allow an attacker to cause a denial of service to the BMC...","description":"In OpenBMC 2.9, crafted IPMI messages allow an attacker to cause a denial of service to the BMC via the netipmid (IPMI lan+) interface.","status":"published","published":"2023-04-15T21:30:16Z","modified":"2024-04-04T03:30:14Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:56:15.423381Z"}],"nvd":[{"id":"CVE-2021-39295","description":"In OpenBMC 2.9, crafted IPMI messages allow an attacker to cause a denial of service to the BMC via the netipmid (IPMI lan+) interface.","status":"published","published":"2023-04-15T20:16:00.667Z","modified":"2026-06-17T04:03:28.87Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:07:07.764332Z"}],"osv":[{"id":"CVE-2021-39295","description":"In OpenBMC 2.9, crafted IPMI messages allow an attacker to cause a denial of service to the BMC via the netipmid (IPMI lan+) interface.","status":"published","published":"2023-04-15T20:16:00.667Z","modified":"2026-10-20T10:55:05.459699133Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:20.843843Z"},{"id":"CVE-2021-39296","description":"In OpenBMC 2.9, crafted IPMI messages allow an attacker to bypass authentication and gain full control of the system.","status":"published","published":"2021-09-09T18:15:09.097Z","modified":"2026-10-20T10:55:05.457250419Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:20.843843Z"}]}}