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CVE-2009-3631

23
FAUCET Score

CVE-2009-3631 describes a critical arbitrary command execution vulnerability affecting TYPO3 versions 4.0.13 and earlier, 4.1.x before 4.1.13, 4.2.x before 4.2.10, and 4.3.x before 4.3beta2. This flaw allows remote authenticated users to execute arbitrary commands by injecting shell metacharacters into filenames when the DAM extension or FTP upload is enabled. With a CVSS score of 8.5 (High), this vulnerability presents a significant risk due to its network-based attack vector, medium attack complexity, and complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code in Metasploit or ExploitDB, nor significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.0.12CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
0.1.2CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:0.1.2:*:*:*:*:*:*:*
1.0.14CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:1.0.14:*:*:*:*:*:*:*
1.1CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:1.1:*:*:*:*:*:*:*
1.1.1CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:1.1.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

8.5HIGH

AV:N/AC:M/Au:S/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
6.8
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.94%
Probability of exploitation in next 30 days
EPSS Percentile
85.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0294 is in the 83rd percentile among its peer group of 1,162 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 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 (3)

composerpatch availablevia ghsa
Product: typo3/cms-backendFixed in: 4.1.13
composerpatch availablevia ghsa
Product: typo3/cms-backendFixed in: 4.2.10
composerpatch availablevia ghsa
Product: typo3/cms-backendFixed in: 4.3beta2

Vendor Advisories (1)

composerGHSA-3cqw-pxgr-jhrmhigh

TYPO3 Backend Command Injection via Shell Metacharacters in Uploaded File Name

May 2, 2022

References

marc.info
secunia.com / advisories/37122
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/53923
typo3.org / teams/security/security-bulletins/typo3-sa-2009-016
PatchVendor Advisory
securityfocus.com / bid/36801
Patch
vupen.com / english/advisories/2009/3009
PatchVendor Advisory