Is CVE-2013-4321 being actively exploited?

CVE-2013-4321 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-4321?

CVE-2013-4321 has a CVSS 2.0 base score of 6.5 (MEDIUM).

CVE-2013-4321

MEDIUM · CVSS 6.5EPSS 1.1%EU EUVD

The File Abstraction Layer (FAL) in TYPO3 6.0.x before 6.0.8 and 6.1.x before 6.1.4 allows remote authenticated editors to execute arbitrary PHP code via unspecified characters in the file extension when renaming a file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-4250.

Key facts

CVSS score: 6.5 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness (CWE): CWE-94
EPSS score: 1.1% (66th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-4209)
Published: May 20, 2014
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-4209 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

typo3 / typo3
typo3 / typo3
typo3 / typo3
typo3 / typo3
typo3 / typo3
typo3 / typo3
typo3 / typo3
typo3 / typo3
typo3 / typo3
typo3 / typo3
typo3 / typo3
typo3 / typo3

References

https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2013-003/(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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