What’s Vulnerable › Vulnerabilities

CVE-2011-4628

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-11-06 · updated 2026-06-16
• Weakness: CWE-287

Description

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.

Affected products

• typo3: from 4.3.0 before 4.3.12; from 4.4.0 before 4.4.9; from 4.5.0 before 4.5.4 — fixed in 4.3.12, 4.4.9, 4.5.4

How to fix

Upgrade to a fixed version: typo3 4.3.12, 4.4.9, 4.5.4. Check the vendor advisory for mitigations.

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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