{"id":"CVE-2013-6021","url":"https://www.cyber-defence.io/tools/cve/CVE-2013-6021","generatedAt":"2026-10-27T19:56:07.896Z","title":"Buffer overflow in WGagent in WatchGuard WSM and Fireware before 11.8 allows remote attackers to execute arbitrary code via a long sessionid value in a cookie.","description":"Buffer overflow in WGagent in WatchGuard WSM and Fireware before 11.8 allows remote attackers to execute arbitrary code via a long sessionid value in a cookie.","published":"2013-10-19T10:36:09.000Z","lastModified":"2026-06-16T23:59:54.000Z","status":"Modified","sourceIdentifier":"cret@cert.org","cvss":{"version":"2.0","score":9.3,"severity":"HIGH","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C"},"cwe":["CWE-119"],"affected":["watchguard/fireware"],"epss":{"score":0.11727,"percentile":0.9604,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2013-10-29","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":29273,"kind":"exploit","title":"Watchguard Firewall XTM 11.7.4u1 - Remote Buffer Overflow","url":"https://www.exploit-db.com/exploits/29273","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/hardware/remote/29273.pl","file":"exploits/hardware/remote/29273.pl","published":"2013-10-29","added":"2013-10-29","updated":"2013-10-29","author":"st3n","type":"remote","platform":"hardware","port":8080,"verified":false,"codes":["CVE-2013-6021","OSVDB-98752"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 11.7%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://osvdb.org/98752","source":"cret@cert.org"},{"url":"http://watchguardsecuritycenter.com/2013/10/17/watchguard-dimension-and-fireware-xtm-11-8/","tags":["Vendor Advisory"],"source":"cret@cert.org"},{"url":"http://watchguardsecuritycenter.com/2013/10/17/xtm-11-8-secfixes/","tags":["Vendor Advisory"],"source":"cret@cert.org"},{"url":"http://www.exploit-db.com/exploits/29273","tags":["Exploit"],"source":"cret@cert.org"},{"url":"http://www.kb.cert.org/vuls/id/233990","tags":["Patch","US Government Resource"],"source":"cret@cert.org"},{"url":"http://www.securityfocus.com/bid/63227","tags":["Exploit"],"source":"cret@cert.org"},{"url":"https://funoverip.net/2013/10/watchguard-cve-2013-6021-stack-based-buffer-overflow-exploit/","tags":["Exploit"],"source":"cret@cert.org"},{"url":"http://osvdb.org/98752","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://watchguardsecuritycenter.com/2013/10/17/watchguard-dimension-and-fireware-xtm-11-8/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://watchguardsecuritycenter.com/2013/10/17/xtm-11-8-secfixes/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.exploit-db.com/exploits/29273","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kb.cert.org/vuls/id/233990","tags":["Patch","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/63227","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://funoverip.net/2013/10/watchguard-cve-2013-6021-stack-based-buffer-overflow-exploit/","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-6021","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}