What is CVE-2025-59015?

CVE-2025-59015 is a medium-severity vulnerability in Typo3, classified under Insufficient Entropy. CVSS score: 6.5/10. Published 2025-09-09.

How severe is CVE-2025-59015?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Typo3

CVE-2025-59015

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.

EPSS: 0.002 (7.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Typo3
Typo3 Cms — versions 12.0.0, 13.0.0

Weakness classification (CWE)

CWE-331 — Insufficient Entropy

References

f4fb688c-4412-4426-b4b8-421ecf27b14a (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-59015?: CVE-2025-59015 is a medium-severity vulnerability in Typo3, classified under Insufficient Entropy. CVSS score: 6.5/10. Published 2025-09-09.
How severe is CVE-2025-59015?: Medium severity. CVSS v3 base score is 6.5 out of 10.