{"id":"CVE-2022-27820","aliases":["EUVD-2022-1452","GHSA-j7xg-5549-jr3j"],"status":"published","title":"Improper Certificate Validation in OWASP ZAP","description":"OWASP Zed Attack Proxy (ZAP) through w2022-03-21 does not verify the TLS certificate chain of an HTTPS server.","severity":{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00681,"percentile":0.52865,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2022-03-24T03:33:14Z","modified":"2026-10-28T02:30:43Z","affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.zaproxy:zap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.11.1"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.zaproxy:zap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.11.1"}]}],"versions":["2.10.0","2.11.0","2.11.1","2.5.0","2.6.0","2.7.0","2.8.0","2.9.0"]}],"products":[{"vendor":"owasp","product":"zed_attack_proxy"}],"references":[{"url":"https://www.openwall.com/lists/oss-security/2022/03/23/1","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory","web"]},{"url":"https://github.com/zaproxy/zaproxy/releases","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","package","web"]},{"url":"http://www.openwall.com/lists/oss-security/2022/03/24/3","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","article","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-27820","tags":["advisory"]},{"url":"https://github.com/zaproxy/zaproxy/issues/7165","tags":["Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://github.com/advisories/GHSA-j7xg-5549-jr3j"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/27xxx/CVE-2022-27820.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-27820","description":"OWASP Zed Attack Proxy (ZAP) through w2022-03-21 does not verify the TLS certificate chain of an HTTPS server.","status":"published","published":"2022-03-24T03:33:14Z","modified":"2024-08-03T05:41:09.881Z","updated_at":"2026-11-02T14:34:34.250357Z"}],"euvd":[{"id":"EUVD-2022-1452","description":"OWASP Zed Attack Proxy (ZAP) through w2022-03-21 does not verify the TLS certificate chain of an HTTPS server.","status":"published","published":"2022-03-24T03:33:14Z","modified":"2024-08-03T05:41:09Z","updated_at":"2026-11-03T03:25:42.489853Z"}],"ghsa":[{"id":"GHSA-j7xg-5549-jr3j","title":"Improper Certificate Validation in OWASP ZAP","description":"OWASP Zed Attack Proxy (ZAP) through w2022-03-21 does not verify the TLS certificate chain of an HTTPS server.","status":"published","published":"2022-03-25T00:00:34Z","modified":"2023-01-27T05:01:04Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:36:16.28305Z"}],"nvd":[{"id":"CVE-2022-27820","description":"OWASP Zed Attack Proxy (ZAP) through w2022-03-21 does not verify the TLS certificate chain of an HTTPS server.","status":"published","published":"2022-03-24T04:15:08.25Z","modified":"2026-06-17T04:37:34.46Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:07:14.24948Z"}],"osv":[{"id":"GHSA-j7xg-5549-jr3j","title":"Improper Certificate Validation in OWASP ZAP","description":"OWASP Zed Attack Proxy (ZAP) through w2022-03-21 does not verify the TLS certificate chain of an HTTPS server.","status":"published","published":"2022-03-25T00:00:34Z","modified":"2023-11-08T04:09:00.996766Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:46:49.977351Z"},{"id":"CVE-2022-27820","description":"OWASP Zed Attack Proxy (ZAP) through w2022-03-21 does not verify the TLS certificate chain of an HTTPS server.","status":"published","published":"2022-03-24T03:33:14Z","modified":"2026-10-28T02:30:43.09167946Z","updated_at":"2026-11-02T15:44:24.758293Z"}]}}