Vulnerability advisory

CVE-2025-59015

Insufficient Entropy in Password Generation

Published Sep 9, 2025Updated Oct 28, 2026OSV record ↗

Severity

CVSS 4.0CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Affected versions

Repository

Affected commits	Fixed by commit
GIT github.com/typo3/typo3 ↗
36096733dea4bd6f6168209609fa879dc25c0138 to before fa6ceeff93eb36ad5e8b36abe4ca2b1644706304	`fa6ceeff93eb36ad5e8b36abe4ca2b1644706304`
fd8745e46bb11773e85524b8ee9650dabe340713 to before 34025c4b1658dffd995206bbf507124b6e357e89	`34025c4b1658dffd995206bbf507124b6e357e89`
Also listed as affected (64) `v12.4.36` `v13.4.17` `v13.4.16` `v12.4.35` `v13.4.15` `v12.4.34` `v13.4.14` `v12.4.33` `v13.4.13` `v12.4.32` `v13.4.12` `v12.4.31` `v13.4.11` `v12.4.30` `v13.4.10` `v12.4.29` `v13.4.9` `v13.4.8` `v12.4.28` `v13.4.7` `v13.4.6` `v13.4.5` `v12.4.27` `v13.4.4` `v12.4.26` `v13.4.3` `v12.4.25` `v13.4.2` `v12.4.24` `v13.4.1` `v12.4.23` `v12.4.22` `v13.4.0` `v12.4.21` `v13.3.0` `v12.4.20` `v12.4.19` `v12.4.18` `v12.4.17` `v13.2.1` `v13.2.0` `v12.4.16` `v12.4.15` `v13.1.0` `v12.4.14` `v12.4.13` `v12.4.12` `v12.4.11` `v13.0.0` `v12.4.10` `v12.4.9` `v12.4.8` `v12.4.7` `v12.4.6` `v12.4.5` `v12.4.4` `v12.4.3` `v12.4.2` `v12.4.1` `v12.4.0` `v12.3.0` `v12.2.0` `v12.1.0` `v12.0.0`

Description

A deterministic three‐character prefix in the Password Generation component of TYPO3 CMS versions 12.0.0–12.4.36 and 13.0.0–13.4.17 reduces entropy, allowing attackers to carry out brute‐force attacks more quickly.

CVE-2025-59015

Affected versions

Repository

Description

References