What is CVE-2011-4900?

CVE-2011-4900 is a medium-severity vulnerability in TYPO3, classified under Information Disclosure. CVSS score: 6.5/10. Published 2019-11-06.

How severe is CVE-2011-4900?

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

Information disclosure in TYPO3

CVE-2011-4900

TYPO3 before 4.5.4 allows Information Disclosure in the backend.

Vulnerability class: Information Disclosure

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

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.010 (59.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

TYPO3 — versions before 4.5.4
Debian Linux — versions 5.0, 6.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

security-tracker.debian.org/tracker/CVE-2011-4900 (Third Party Advisory)
typo3.org/security/advisory/typo3-core-sa-2011-001/ (Vendor Advisory)

Frequently asked questions

What is CVE-2011-4900?: CVE-2011-4900 is a medium-severity vulnerability in TYPO3, classified under Information Disclosure. CVSS score: 6.5/10. Published 2019-11-06.
How severe is CVE-2011-4900?: Medium severity. CVSS v3 base score is 6.5 out of 10.