{"schema":"threatline.record/2","record":{"id":"CVE-2023-20867","aliases":[],"summary":"VMware Tools Authentication Bypass Vulnerability","details":"VMware Tools contains an authentication bypass vulnerability in the vgauth module. A fully compromised ESXi host can force VMware Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine. An attacker must have root access over ESXi to exploit this vulnerability.","categories":["Containers & cloud"],"product":"Tools","vendor":"VMware","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-20867","source_modified_at":"2025-10-21T23:05:46.160Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"VMware Tools","vendor":"VMware","versions":[{"status":"unaffected","version":"12.2.5"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":3.9,"severity":"Low","kev":{"listed":true,"date_added":"2023-06-23","due_date":"2023-07-14","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.13638,"percentile":0.96477,"score_date":"2026-10-23"},"published_at":"2023-06-13T16:47:21.689Z","modified_at":"2025-10-21T23:05:46.160Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2023-20867","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:05:46.160Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2023-20867","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://www.vmware.com/security/advisories/VMSA-2023-0013.html","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-20867","source":"CISA KEV"},{"source":"CVE List","url":"https://security.netapp.com/advisory/ntap-20230725-0001/","tags":["x_transferred"]},{"source":"CVE List","url":"https://lists.debian.org/debian-lts-announce/2023/08/msg00020.html","tags":["x_transferred"]},{"source":"CVE List","url":"https://www.debian.org/security/2023/dsa-5493","tags":["x_transferred"]},{"source":"CVE List","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/","tags":["x_transferred"]},{"source":"CVE List","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/","tags":["x_transferred"]},{"source":"CVE List","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/","tags":["x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-20867","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"partial","assessed_at":"2025-02-04T19:00:03.914893Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:05:46.160Z","content_hash":"49e923d6246b35a31793cdd746cf961c4b35440d677805d1a688642339793314"}}