CVE-2010-3663

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-11-04 · updated 2026-06-16
Weakness: CWE-434

Description

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 an insecure default value of the variable fileDenyPattern which could allow remote attackers to execute arbitrary code on the backend.

Affected products

typo3: before 4.1.14; from 4.2.0 before 4.2.13; from 4.3.0 before 4.3.4; from 4.4.0 before 4.4.1 — fixed in 4.1.14, 4.2.13, 4.3.4, 4.4.1

How to fix

Upgrade to a fixed version: typo3 4.1.14, 4.2.13, 4.3.4, 4.4.1. Check the vendor advisory for mitigations.

References

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=590719
https://security-tracker.debian.org/tracker/CVE-2010-3663
https://typo3.org/security/advisory/typo3-sa-2010-012/#Arbitrary_Code_Execution
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=590719
https://security-tracker.debian.org/tracker/CVE-2010-3663
https://typo3.org/security/advisory/typo3-sa-2010-012/#Arbitrary_Code_Execution

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