{"id":"CVE-2023-26756","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-26756","generatedAt":"2026-10-25T19:00:54.046Z","title":"The login page of Revive Adserver v5.4.1 is vulnerable to brute force attacks.","description":"The login page of Revive Adserver v5.4.1 is vulnerable to brute force attacks. NOTE: The vendor's position is that this is effectively mitigated by rate limits and password-quality features.","published":"2023-04-14T12:15:07.000Z","lastModified":"2026-06-17T05:43:45.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-307"],"affected":["revive/adserver"],"epss":{"score":0.01152,"percentile":0.66747,"date":"2026-10-24","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://seclists.org/fulldisclosure/2024/Apr/27","source":"cve@mitre.org"},{"url":"https://googleinformationsworld.blogspot.com/2023/04/revive-adserver-541-vulnerable-to-brute.html","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.esecforte.com/login-page-brute-force-attack/","source":"cve@mitre.org"},{"url":"https://www.revive-adserver.com/security/response-to-cve-2023-26756/","source":"cve@mitre.org"},{"url":"http://seclists.org/fulldisclosure/2024/Apr/27","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://googleinformationsworld.blogspot.com/2023/04/revive-adserver-541-vulnerable-to-brute.html","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.esecforte.com/login-page-brute-force-attack/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.revive-adserver.com/security/response-to-cve-2023-26756/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-26756","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}