{"id":"CVE-2016-9124","aliases":["EUVD-2016-9941","GHSA-jq2f-3xc4-634f"],"status":"published","title":"Revive Adserver before 3.2.3 suffers from Improper Restriction of Excessive Authentication...","description":"Revive Adserver before 3.2.3 suffers from Improper Restriction of Excessive Authentication Attempts. The login page of Revive Adserver is vulnerable to password-guessing attacks. An account lockdown feature was considered, but rejected to avoid introducing service disruptions to regular users during such attacks. A random delay has instead been introduced as a countermeasure in case of password failures, along with a system to discourage parallel brute forcing. These systems will effectively allow the valid users to log in to the adserver, even while an attack is in progress.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.0223,"percentile":0.82858,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287","CWE-307"],"published":"2017-03-28T02:46:00Z","modified":"2026-10-20T10:48:04Z","products":[{"vendor":"revive-adserver","product":"revive_adserver"}],"references":[{"url":"https://hackerone.com/reports/96115","tags":["x_refsource_MISC","x_transferred","Permissions Required","report"]},{"url":"https://www.revive-adserver.com/security/revive-sa-2016-001/","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","fix"]},{"url":"https://github.com/revive-adserver/revive-adserver/commit/847941390f5b3310d51b07c92ec91cc1f4cc82c9","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-9124"},{"url":"https://www.revive-adserver.com/security/revive-sa-2016-001"},{"url":"https://github.com/advisories/GHSA-jq2f-3xc4-634f"}],"sources":{"cve":[{"id":"CVE-2016-9124","description":"Revive Adserver before 3.2.3 suffers from Improper Restriction of Excessive Authentication Attempts. The login page of Revive Adserver is vulnerable to password-guessing attacks. An account lockdown feature was considered, but rejected to avoid introducing service disruptions to regular users during such attacks. A random delay has instead been introduced as a countermeasure in case of password failures, along with a system to discourage parallel brute forcing. These systems will effectively allow the valid users to log in to the adserver, even while an attack is in progress.","status":"published","published":"2017-03-28T02:46:00Z","modified":"2024-08-06T02:42:10.831Z","cwes":["CWE-307"],"updated_at":"2026-11-02T14:33:31.764001Z"}],"euvd":[{"id":"EUVD-2016-9941","description":"Revive Adserver before 3.2.3 suffers from Improper Restriction of Excessive Authentication Attempts. The login page of Revive Adserver is vulnerable to password-guessing attacks. An account lockdown feature was considered, but rejected to avoid introducing service disruptions to regular users during such attacks. A random delay has instead been introduced as a countermeasure in case of password failures, along with a system to discourage parallel brute forcing. These systems will effectively allow the valid users to log in to the adserver, even while an attack is in progress.","status":"published","published":"2017-03-28T02:46:00Z","modified":"2024-08-06T02:42:10Z","updated_at":"2026-11-03T02:22:28.196866Z"}],"ghsa":[{"id":"GHSA-jq2f-3xc4-634f","title":"Revive Adserver before 3.2.3 suffers from Improper Restriction of Excessive Authentication...","description":"Revive Adserver before 3.2.3 suffers from Improper Restriction of Excessive Authentication Attempts. The login page of Revive Adserver is vulnerable to password-guessing attacks. An account lockdown feature was considered, but rejected to avoid introducing service disruptions to regular users during such attacks. A random delay has instead been introduced as a countermeasure in case of password failures, along with a system to discourage parallel brute forcing. These systems will effectively allow the valid users to log in to the adserver, even while an attack is in progress.","status":"published","published":"2022-05-13T01:38:36Z","modified":"2025-04-20T03:35:59Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287","CWE-307"],"updated_at":"2026-11-02T15:01:43.480751Z"}],"nvd":[{"id":"CVE-2016-9124","description":"Revive Adserver before 3.2.3 suffers from Improper Restriction of Excessive Authentication Attempts. The login page of Revive Adserver is vulnerable to password-guessing attacks. An account lockdown feature was considered, but rejected to avoid introducing service disruptions to regular users during such attacks. A random delay has instead been introduced as a countermeasure in case of password failures, along with a system to discourage parallel brute forcing. These systems will effectively allow the valid users to log in to the adserver, even while an attack is in progress.","status":"published","published":"2017-03-28T02:59:00.323Z","modified":"2026-06-17T00:55:33.513Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","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-307","CWE-287"],"updated_at":"2026-11-02T14:03:37.238712Z"}],"osv":[{"id":"CVE-2016-9124","description":"Revive Adserver before 3.2.3 suffers from Improper Restriction of Excessive Authentication Attempts. The login page of Revive Adserver is vulnerable to password-guessing attacks. An account lockdown feature was considered, but rejected to avoid introducing service disruptions to regular users during such attacks. A random delay has instead been introduced as a countermeasure in case of password failures, along with a system to discourage parallel brute forcing. These systems will effectively allow the valid users to log in to the adserver, even while an attack is in progress.","status":"published","published":"2017-03-28T02:59:00.323Z","modified":"2026-10-20T10:48:04.727393753Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:03.171316Z"}]}}