Vulnerability record · CVE-2023-0567 · published 1 March 2023

CVE-2023-0567: Php vulnerability

Php · Php

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.

6.2 CVSS 3.1 Medium EPSS 0.95% · top 40.4% CWE-916 · CWE-916

6.2CVSS 3.1 base score

0.95%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

5References, 2 tagged exploit

19 Jul 2026Last modified by NVD

Description

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Php Php

References

Link	Tags
https://bugs.php.net/bug.php?id=81744	Vendor Advisory
https://github.com/php/php-src/security/advisories/GHSA-7fj2-8x79-rjf4	ExploitVendor Advisory
https://bugs.php.net/bug.php?id=81744	Vendor Advisory
https://github.com/php/php-src/security/advisories/GHSA-7fj2-8x79-rjf4	ExploitVendor Advisory
https://security.netapp.com/advisory/ntap-20230331-0008/

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-0567), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.