{"cve_id":"CVE-2023-20867","published":"2023-06-13T17:15:14.070000+00:00","last_modified":"2026-06-17T05:31:03.380000+00:00","vuln_status":"Analyzed","description":"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.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","base_score":3.9,"base_severity":"LOW","attack_vector":"LOCAL","privileges_req":"HIGH","user_interaction":"NONE","scope":"CHANGED","impact_c":"LOW","impact_i":"LOW","impact_a":"NONE","cwe_ids":["CWE-287"],"in_kev":true,"kev_date_added":"2023-06-23","kev_ransomware":false,"epss_score":0.13638,"epss_percentile":0.96482,"cap_rule_version":"0.1.1","stage":"RECON","req_access":"PRIV","req_vector":"LOCAL","req_user_interaction":false,"grant_access":"PRIV","caps":["AUTH_BYPASS","INFO_DISCLOSURE","TAMPER"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T10:28:34.676796+00:00","first_seen":"2023-06-13T17:15:14.070000+00:00","kev_first_seen":"2023-06-23T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["debian","fedoraproject","vmware"],"products":["debian_linux","fedora","tools"],"affected":[{"vendor":"debian","product":"debian_linux","ranges":["12.0","10.0","11.0"]},{"vendor":"fedoraproject","product":"fedora","ranges":["37","38","39"]},{"vendor":"vmware","product":"tools","ranges":["≥ 10.3.0 and < 12.2.5"]}]}