{"id":"CVE-2023-0567","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-0567","generatedAt":"2026-10-27T19:57:08.905Z","title":"If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid.","description":"In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, password_verify() function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid.","published":"2023-03-01T08:15:12.000Z","lastModified":"2026-07-19T19:16:26.000Z","status":"Modified","sourceIdentifier":"security@php.net","cvss":{"version":"3.1","score":6.2,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"cwe":["CWE-916"],"affected":["php/php"],"epss":{"score":0.00925,"percentile":0.60187,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.92%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://bugs.php.net/bug.php?id=81744","tags":["Vendor Advisory"],"source":"security@php.net"},{"url":"https://github.com/php/php-src/security/advisories/GHSA-7fj2-8x79-rjf4","tags":["Exploit","Vendor Advisory"],"source":"security@php.net"},{"url":"https://bugs.php.net/bug.php?id=81744","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/php/php-src/security/advisories/GHSA-7fj2-8x79-rjf4","tags":["Exploit","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20230331-0008/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-0567","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."}