{"id":"CVE-2025-20077","aliases":["EUVD-2025-24437","GHSA-3274-2965-22fp"],"status":"published","title":"Missing release of memory after effective lifetime in the UEFI OobRasMmbiHandlerDriver module for...","description":"Missing release of memory after effective lifetime in the UEFI OobRasMmbiHandlerDriver module for some Intel(R) reference server platforms may allow a privileged user to enable denial of service via local access.","severity":{"version":"4.0","score":5.6,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00138,"percentile":0.03251,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-401"],"published":"2025-08-12T16:58:08Z","modified":"2026-06-17T08:40:38Z","references":[{"url":"https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01300.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-20077"},{"url":"https://github.com/advisories/GHSA-3274-2965-22fp"}],"sources":{"cve":[{"id":"CVE-2025-20077","description":"Missing release of memory after effective lifetime in the UEFI OobRasMmbiHandlerDriver module for some Intel(R) reference server platforms may allow a privileged user to enable denial of service via local access.","status":"published","published":"2025-08-12T16:58:08.31Z","modified":"2025-08-12T18:27:01.63Z","cvss":[{"version":"4.0","score":5.6,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:32:25.5658Z"}],"euvd":[{"id":"EUVD-2025-24437","description":"Missing release of memory after effective lifetime in the UEFI OobRasMmbiHandlerDriver module for some Intel(R) reference server platforms may allow a privileged user to enable denial of service via local access.","status":"published","published":"2025-08-12T16:58:08Z","modified":"2025-08-12T18:27:01Z","cvss":[{"version":"4.0","score":5.6,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T20:31:58.846249Z"}],"ghsa":[{"id":"GHSA-3274-2965-22fp","title":"Missing release of memory after effective lifetime in the UEFI OobRasMmbiHandlerDriver module for...","description":"Missing release of memory after effective lifetime in the UEFI OobRasMmbiHandlerDriver module for some Intel(R) reference server platforms may allow a privileged user to enable denial of service via local access.","status":"published","published":"2025-08-12T18:31:27Z","modified":"2025-08-12T18:31:32Z","cvss":[{"version":"4.0","score":5.6,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T15:03:14.998043Z"}],"nvd":[{"id":"CVE-2025-20077","description":"Missing release of memory after effective lifetime in the UEFI OobRasMmbiHandlerDriver module for some Intel(R) reference server platforms may allow a privileged user to enable denial of service via local access.","status":"published","published":"2025-08-12T17:15:28.77Z","modified":"2026-06-17T08:40:38.15Z","cvss":[{"version":"4.0","score":5.6,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:11:22.953396Z"}]}}