{"id":"CVE-2026-120975","aliases":["EUVD-2026-122906","GHSA-3gjf-hwwx-cpxh"],"status":"published","title":"Security Advisory 0205","description":"On affected platforms running Arista EOS with automatic certificate management configured and automatic Certificate Authority (CA) certificate retrieval enabled, a malicious packet may cause the AutoCertMgmt process to be terminated unexpectedly. Managed X.509 certificates will not be renewed automatically and may eventually expire, potentially disrupting TLS-dependent services.","severity":{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:P/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00108,"percentile":0.01206,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-197"],"published":"2026-11-10T20:09:51Z","modified":"2026-11-10T21:34:34Z","products":[{"vendor":"arista networks","product":"eos"}],"references":[{"url":"https://www.arista.com/en/support/advisories-notices/security-advisory/25027-security-advisory-0205","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-120975"},{"url":"https://github.com/advisories/GHSA-3gjf-hwwx-cpxh"}],"sources":{"cve":[{"id":"CVE-2026-120975","title":"Security Advisory 0205","description":"On affected platforms running Arista EOS with automatic certificate management configured and automatic Certificate Authority (CA) certificate retrieval enabled, a malicious packet may cause the AutoCertMgmt process to be terminated unexpectedly. Managed X.509 certificates will not be renewed automatically and may eventually expire, potentially disrupting TLS-dependent services.","status":"published","published":"2026-11-10T20:09:51.213Z","modified":"2026-11-10T20:09:51.213Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:P/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L","level":"low","assessor":"cna"},{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-197"],"updated_at":"2026-11-10T22:18:26.309435Z"}],"euvd":[{"id":"EUVD-2026-122906","description":"On affected platforms running Arista EOS with automatic certificate management configured and automatic Certificate Authority (CA) certificate retrieval enabled, a malicious packet may cause the AutoCertMgmt process to be terminated unexpectedly. Managed X.509 certificates will not be renewed automatically and may eventually expire, potentially disrupting TLS-dependent services.","status":"published","published":"2026-11-10T20:09:51Z","modified":"2026-11-10T20:09:51Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:P/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L","level":"low"}],"updated_at":"2026-11-11T00:25:01.852805Z"}],"ghsa":[{"id":"GHSA-3gjf-hwwx-cpxh","title":"On affected platforms running Arista EOS with automatic certificate management configured and...","description":"On affected platforms running Arista EOS with automatic certificate management configured and automatic Certificate Authority (CA) certificate retrieval enabled, a malicious packet may cause the AutoCertMgmt process to be terminated unexpectedly. Managed X.509 certificates will not be renewed automatically and may eventually expire, potentially disrupting TLS-dependent services.","status":"published","published":"2026-11-10T21:34:26Z","modified":"2026-11-10T21:34:34Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:P/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L/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":"low"},{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L","level":"low"}],"cwes":["CWE-197"],"updated_at":"2026-11-10T21:57:57.751909Z"}],"nvd":[{"id":"CVE-2026-120975","description":"On affected platforms running Arista EOS with automatic certificate management configured and automatic Certificate Authority (CA) certificate retrieval enabled, a malicious packet may cause the AutoCertMgmt process to be terminated unexpectedly. Managed X.509 certificates will not be renewed automatically and may eventually expire, potentially disrupting TLS-dependent services.","status":"published","published":"2026-11-10T20:18:52.517Z","modified":"2026-11-10T20:18:52.517Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:P/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L/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":"low","assessor":"secondary"},{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-197"],"updated_at":"2026-11-10T22:21:33.392456Z"}]}}