CVE-2011-4628

9.8 criticalEPSS 1.6%

Critical (9.8) in typo3 typo3. EPSS 1.6% chance of exploitation in the next 30 days.

TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to bypass authentication mechanisms in the backend through a crafted request.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 76% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2019-11-06
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

typo3:typo3

References

https://security-tracker.debian.org/tracker/CVE-2011-4628
https://typo3.org/security/advisory/typo3-core-sa-2011-001/#Authentication_Delay_Bypass
https://security-tracker.debian.org/tracker/CVE-2011-4628
https://typo3.org/security/advisory/typo3-core-sa-2011-001/#Authentication_Delay_Bypass

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