{"cve":"CVE-2011-2764","nvd":{"published":"2011-08-04T02:45:32.343","modified":"2026-06-16T23:31:57.370","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://archives.neohapsis.com/archives/fulldisclosure/2011-07/0338.html","http://lists.fedoraproject.org/pipermail/package-announce/2011-August/063460.html","http://secunia.com/advisories/45539","http://secunia.com/advisories/45540","http://securityreason.com/securityalert/8324"],"products":["ioquake3:ioquake3_engine","openarena:openarena","smokin-guns:smokin\\'_guns","tremulous:tremulous","urbanterror:iourbanterror","worldofpadman:world_of_padman"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-2764","score":0.0869,"percentile":0.95129,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}