{"cve_id":"CVE-2021-30657","published":"2021-09-08T15:15:13.127000+00:00","last_modified":"2026-06-17T03:50:38.103000+00:00","vuln_status":"Analyzed","description":"A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. A malicious application may bypass Gatekeeper checks. Apple is aware of a report that this issue may have been actively exploited..","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","base_score":5.5,"base_severity":"MEDIUM","attack_vector":"LOCAL","privileges_req":"NONE","user_interaction":"REQUIRED","scope":"UNCHANGED","impact_c":"NONE","impact_i":"HIGH","impact_a":"NONE","cwe_ids":["CWE-862"],"in_kev":true,"kev_date_added":"2021-11-03","kev_ransomware":false,"epss_score":0.68531,"epss_percentile":0.99337,"cap_rule_version":"0.1.1","stage":"PRIV_ESC","req_access":"NONE","req_vector":"LOCAL","req_user_interaction":true,"grant_access":"PRIV","caps":["AUTH_BYPASS","PRIV_GAIN","TAMPER"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T09:49:31.857362+00:00","first_seen":"2021-09-08T15:15:13.127000+00:00","kev_first_seen":"2021-11-03T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["apple"],"products":["mac_os_x","macos"],"affected":[{"vendor":"apple","product":"mac_os_x","ranges":["≥ 10.15 and ≤ 10.15.5","10.15.6","10.15.7"]},{"vendor":"apple","product":"macos","ranges":["≥ 11.0 and < 11.3"]}]}