CVE-2013-6021

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 11.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-10-19 · updated 2026-06-16
Weakness: CWE-119

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.

Affected products

WatchGuard Fireware OS: through 11.7.4; 11.0.2, 11.1, 11.2.3, 11.3, 11.3.6, 11.4 (+5)

References

http://osvdb.org/98752
http://watchguardsecuritycenter.com/2013/10/17/watchguard-dimension-and-fireware-xtm-11-8/
http://watchguardsecuritycenter.com/2013/10/17/xtm-11-8-secfixes/
http://www.exploit-db.com/exploits/29273
http://www.kb.cert.org/vuls/id/233990
http://www.securityfocus.com/bid/63227
https://funoverip.net/2013/10/watchguard-cve-2013-6021-stack-based-buffer-overflow-exploit/
http://osvdb.org/98752
http://watchguardsecuritycenter.com/2013/10/17/watchguard-dimension-and-fireware-xtm-11-8/
http://watchguardsecuritycenter.com/2013/10/17/xtm-11-8-secfixes/
http://www.exploit-db.com/exploits/29273
http://www.kb.cert.org/vuls/id/233990

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