What’s Vulnerable › Vulnerabilities

CVE-2024-6594: WatchGuard Firebox Single Sign-On Client Denial-of-Service

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-09-25 · updated 2026-08-08
• Weakness: CWE-755

Description

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 SSO Client: through 12.7

References

• https://psirt.watchguard.com/CVE-2024-6594
• https://www.redteam-pentesting.de/advisories/rt-sa-2024-008
• https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2024-00016

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