{"id":"CVE-2020-15931","aliases":["EUVD-2020-7902","GHSA-pfr7-2ph8-36r9"],"status":"published","title":"Netwrix Account Lockout Examiner before 5.1 allows remote attackers to capture the Net-NTLMv1/v2...","description":"Netwrix Account Lockout Examiner before 5.1 allows remote attackers to capture the Net-NTLMv1/v2 authentication challenge hash of the Domain Administrator (that is configured within the product in its installation state) by generating a single Kerberos Pre-Authentication Failed (ID 4771) event on a Domain Controller.","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":"2026-11-11","score":0.03726,"percentile":0.89948,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-200","CWE-294"],"published":"2020-10-20T19:23:17Z","modified":"2026-06-17T02:57:25Z","exploits":[{"source":"pocgithub","id":"optiv/CVE-2020-15931","title":"optiv/CVE-2020-15931","date":"2020-07-29","url":"https://github.com/optiv/CVE-2020-15931"}],"products":[{"vendor":"netwrix","product":"account_lockout_examiner"}],"references":[{"url":"https://www.optiv.com/explore-optiv-insights/source-zero/netwrix-account-lockout-examiner-41-disclosure-vulnerability","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.netwrix.com/netwrix_reports_vulnerability_in_netwrix_account_lockout_examiner_4_1.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15931"},{"url":"https://github.com/advisories/GHSA-pfr7-2ph8-36r9"}],"sources":{"cve":[{"id":"CVE-2020-15931","description":"Netwrix Account Lockout Examiner before 5.1 allows remote attackers to capture the Net-NTLMv1/v2 authentication challenge hash of the Domain Administrator (that is configured within the product in its installation state) by generating a single Kerberos Pre-Authentication Failed (ID 4771) event on a Domain Controller.","status":"published","published":"2020-10-20T19:23:17Z","modified":"2024-08-04T13:30:23.305Z","updated_at":"2026-11-02T14:35:50.228781Z"}],"euvd":[{"id":"EUVD-2020-7902","description":"Netwrix Account Lockout Examiner before 5.1 allows remote attackers to capture the Net-NTLMv1/v2 authentication challenge hash of the Domain Administrator (that is configured within the product in its installation state) by generating a single Kerberos Pre-Authentication Failed (ID 4771) event on a Domain Controller.","status":"published","published":"2020-10-20T19:23:17Z","modified":"2024-08-04T13:30:23Z","updated_at":"2026-11-03T03:07:29.843843Z"}],"ghsa":[{"id":"GHSA-pfr7-2ph8-36r9","title":"Netwrix Account Lockout Examiner before 5.1 allows remote attackers to capture the Net-NTLMv1/v2...","description":"Netwrix Account Lockout Examiner before 5.1 allows remote attackers to capture the Net-NTLMv1/v2 authentication challenge hash of the Domain Administrator (that is configured within the product in its installation state) by generating a single Kerberos Pre-Authentication Failed (ID 4771) event on a Domain Controller.","status":"published","published":"2022-05-24T17:31:41Z","modified":"2023-01-29T05:04:59Z","cwes":["CWE-294"],"updated_at":"2026-11-02T14:45:41.213171Z"}],"nvd":[{"id":"CVE-2020-15931","description":"Netwrix Account Lockout Examiner before 5.1 allows remote attackers to capture the Net-NTLMv1/v2 authentication challenge hash of the Domain Administrator (that is configured within the product in its installation state) by generating a single Kerberos Pre-Authentication Failed (ID 4771) event on a Domain Controller.","status":"published","published":"2020-10-20T20:15:14.787Z","modified":"2026-06-17T02:57:25.55Z","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-200"],"updated_at":"2026-11-02T14:06:20.704992Z"}]}}