{"id":"CVE-2021-31796","aliases":["EUVD-2021-18677","GHSA-75qm-m8r5-4ccg"],"status":"published","title":"An inadequate encryption vulnerability discovered in CyberArk Credential Provider before 12.1 may...","description":"An inadequate encryption vulnerability discovered in CyberArk Credential Provider before 12.1 may lead to Information Disclosure. An attacker may realistically have enough information that the number of possible keys (for a credential file) is only one, and the number is usually not higher than 2^36.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01763,"percentile":0.78227,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-326","CWE-327"],"published":"2021-09-02T00:24:16Z","modified":"2026-06-17T03:52:14Z","exploits":[{"source":"pocgithub","id":"unmanarc/CACredDecoder","title":"unmanarc/CACredDecoder","date":"2017-04-19","url":"https://github.com/unmanarc/CACredDecoder"}],"products":[{"vendor":"cyberark","product":"credential_provider"}],"references":[{"url":"https://www.cyberark.com/resources/blog","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"http://seclists.org/fulldisclosure/2021/Sep/1","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://korelogic.com/Resources/Advisories/KL-001-2021-008.txt","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/164023/CyberArk-Credential-File-Insufficient-Effective-Key-Space.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31796"},{"url":"https://github.com/advisories/GHSA-75qm-m8r5-4ccg"}],"sources":{"cve":[{"id":"CVE-2021-31796","description":"An inadequate encryption vulnerability discovered in CyberArk Credential Provider before 12.1 may lead to Information Disclosure. An attacker may realistically have enough information that the number of possible keys (for a credential file) is only one, and the number is usually not higher than 2^36.","status":"published","published":"2021-09-02T00:24:16Z","modified":"2024-08-03T23:10:30.651Z","updated_at":"2026-11-02T14:33:05.665371Z"}],"euvd":[{"id":"EUVD-2021-18677","description":"An inadequate encryption vulnerability discovered in CyberArk Credential Provider before 12.1 may lead to Information Disclosure. An attacker may realistically have enough information that the number of possible keys (for a credential file) is only one, and the number is usually not higher than 2^36.","status":"published","published":"2021-09-02T00:24:16Z","modified":"2024-08-03T23:10:30Z","updated_at":"2026-11-03T03:24:38.423371Z"}],"ghsa":[{"id":"GHSA-75qm-m8r5-4ccg","title":"An inadequate encryption vulnerability discovered in CyberArk Credential Provider before 12.1 may...","description":"An inadequate encryption vulnerability discovered in CyberArk Credential Provider before 12.1 may lead to Information Disclosure. An attacker may realistically have enough information that the number of possible keys (for a credential file) is only one, and the number is usually not higher than 2^36.","status":"published","published":"2022-05-24T19:12:56Z","modified":"2023-01-27T05:03:32Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:42:16.196802Z"}],"nvd":[{"id":"CVE-2021-31796","description":"An inadequate encryption vulnerability discovered in CyberArk Credential Provider before 12.1 may lead to Information Disclosure. An attacker may realistically have enough information that the number of possible keys (for a credential file) is only one, and the number is usually not higher than 2^36.","status":"published","published":"2021-09-02T01:15:06.4Z","modified":"2026-06-17T03:52:14.947Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T14:06:58.05696Z"}]}}