CVE-2024-6594: WatchGuard Single Sign-On Client

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

Improper Handling of Exceptional Conditions vulnerability in the WatchGuard Single Sign-On Client on Windows causes the client to crash while handling malformed commands. An attacker with network access to the client could create a denial of service condition for the Single Sign-On service by repeatedly issuing malformed commands.

Affected products

• WatchGuard Single Sign-On Client: up to and including 12.7

Published 2024-09-25. Last modified 2026-08-08.