What’s Vulnerable › Vulnerabilities

CVE-2011-4904

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% 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-20

Description

TYPO3 before 4.4.9 and 4.5.x before 4.5.4 does not apply proper access control on ExtDirect calls which allows remote attackers to retrieve ExtDirect endpoint services.

Affected products

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

How to fix

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

References

• https://security-tracker.debian.org/tracker/CVE-2011-4904
• https://typo3.org/security/advisory/typo3-core-sa-2011-001/#Missing_Access_Control
• https://security-tracker.debian.org/tracker/CVE-2011-4904
• https://typo3.org/security/advisory/typo3-core-sa-2011-001/#Missing_Access_Control

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