What is CVE-2010-3666?

CVE-2010-3666 is a medium-severity vulnerability in TYPO3, classified under Use of Insufficiently Random Values. CVSS score: 5.3/10. Published 2019-11-04.

How severe is CVE-2010-3666?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in TYPO3

CVE-2010-3666

TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 contains insecure randomness in the uniqid function.

Published 2019-11-04 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

TYPO3

Weakness classification (CWE)

CWE-330 — Use of Insufficiently Random Values

References

security-tracker.debian.org/tracker/CVE-2010-3666 (Third Party Advisory)
bugs.debian.org/cgi-bin/bugreport.cgi (Mailing List, Third Party Advisory)
typo3.org/security/advisory/typo3-sa-2010-012/ (Vendor Advisory)

Frequently asked questions

What is CVE-2010-3666?: CVE-2010-3666 is a medium-severity vulnerability in TYPO3, classified under Use of Insufficiently Random Values. CVSS score: 5.3/10. Published 2019-11-04.
How severe is CVE-2010-3666?: Medium severity. CVSS v3 base score is 5.3 out of 10.