CVE-2013-6021

critical
Published 2013-10-19 · Modified 2026-04-29
CVSS v3
CVSS v2
9.3
VIR risk
9.3

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cret@cert.org — http://www.kb.cert.org/vuls/id/233990

vendor Authored 2026-05-27

Vendor advisory: cret@cert.org — http://watchguardsecuritycenter.com/2013/10/17/xtm-11-8-secfixes/

vendor Authored 2026-05-27

Vendor advisory: cret@cert.org — http://watchguardsecuritycenter.com/2013/10/17/watchguard-dimension-and-fireware-xtm-11-8/

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.