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CVE-2010-3663

28
FAUCET Score

CVE-2010-3663 is a critical vulnerability affecting TYPO3 versions prior to 4.1.14, 4.2.13, 4.3.4, and 4.4.1. It stems from an insecure default value for the 'fileDenyPattern' variable, enabling remote attackers to execute arbitrary code on the backend. This vulnerability carries a high CVSS score of 8.8, indicating a severe risk with low attack complexity and the potential for complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.1.14CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
>= 4.2.0, < 4.2.13CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
>= 4.3.0, < 4.3.4CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
>= 4.4.0, < 4.4.1CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.40%
Probability of exploitation in next 30 days
EPSS Percentile
82.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0239 is in the 81st percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

composerpatch availablevia ghsa
Product: typo3/cms-backendFixed in: 4.1.14
composerpatch availablevia ghsa
Product: typo3/cms-backendFixed in: 4.2.13
composerpatch availablevia ghsa
Product: typo3/cms-backendFixed in: 4.3.4
composerpatch availablevia ghsa
Product: typo3/cms-backendFixed in: 4.4.1

Vendor Advisories (1)

composerGHSA-wjpc-gjf7-9938high

TYPO3 Arbitrary Code Execution vulnerability on the backend

Apr 21, 2022

References

bugs.debian.org / cgi-bin/bugreport.cgi
Mailing ListThird Party Advisory
security-tracker.debian.org / tracker/CVE-2010-3663
Third Party Advisory
typo3.org / security/advisory/typo3-sa-2010-012
Vendor Advisory