Is CVE-2011-2764 in the CISA KEV catalog?

No. CVE-2011-2764 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-2764?

CVE-2011-2764 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2011-2764?

CVE-2011-2764 has an EPSS score of 8.69% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-2764?

Upgrade ioquake3 on debian 11 to 1.36+svn1946-4 or later.

CVE & CISA-KEV Catalog

CVE-2011-2764

HIGHEPSS 94th pctl

10.0

CVSS v2

NVD

Description

The FS_CheckFilenameIsNotExecutable function in qcommon/files.c in the ioQuake3 engine 1.36 and earlier, as used in World of Padman, Smokin' Guns, OpenArena, Tremulous, and ioUrbanTerror, does not properly determine dangerous file extensions, which allows remote attackers to execute arbitrary code via a crafted third-party addon that creates a Trojan horse DLL file.

CWE-20Improper Input Validation

How to fix

Remediation Available

ioquake3Debian

Fixed in:1.36+svn1946-4CVE-2011-2764

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

8.69%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Patch3

Exploit1

archives.neohapsis.com

Other references8

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.