CVE-2024-6594: CWE-755 in WatchGuard SSO Client
CVE-2024-6594 is a high-severity vulnerability in the WatchGuard Single Sign-On (SSO) Client version 12.0 for Windows. It involves improper handling of exceptional conditions, causing the client to crash when processing malformed commands. An attacker with network access to the client can exploit this flaw to repeatedly send malformed commands, resulting in a denial of service (DoS) condition for the SSO service.
AI Analysis
Technical Summary
This vulnerability (CWE-755) in WatchGuard SSO Client 12.0 on Windows arises from improper handling of exceptional conditions. When the client receives malformed commands, it crashes, allowing an unauthenticated network attacker to cause a denial of service by repeatedly sending such commands. There is no indication of privilege requirements or user interaction needed, and the vulnerability does not involve code execution or data disclosure. No official patch or remediation guidance has been published yet.
Potential Impact
The primary impact is a denial of service against the WatchGuard SSO Client service, disrupting single sign-on functionality. This could affect user authentication processes relying on the client, potentially causing operational interruptions. There is no evidence of further compromise such as privilege escalation or data leakage.
Mitigation Recommendations
No official fix or patch is currently available for this vulnerability. Users should monitor the vendor's advisories for updates. In the meantime, limiting network access to the WatchGuard SSO Client and employing network-level protections to block malformed commands may reduce exposure.
CVE-2024-6594: CWE-755 in WatchGuard SSO Client
Description
CVE-2024-6594 is a high-severity vulnerability in the WatchGuard Single Sign-On (SSO) Client version 12.0 for Windows. It involves improper handling of exceptional conditions, causing the client to crash when processing malformed commands. An attacker with network access to the client can exploit this flaw to repeatedly send malformed commands, resulting in a denial of service (DoS) condition for the SSO service.
CVSS v4.0
Score 8.7high
Affected software
pkg:github/watchguard/sso-clientRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-755) in WatchGuard SSO Client 12.0 on Windows arises from improper handling of exceptional conditions. When the client receives malformed commands, it crashes, allowing an unauthenticated network attacker to cause a denial of service by repeatedly sending such commands. There is no indication of privilege requirements or user interaction needed, and the vulnerability does not involve code execution or data disclosure. No official patch or remediation guidance has been published yet.
Potential Impact
The primary impact is a denial of service against the WatchGuard SSO Client service, disrupting single sign-on functionality. This could affect user authentication processes relying on the client, potentially causing operational interruptions. There is no evidence of further compromise such as privilege escalation or data leakage.
Mitigation Recommendations
No official fix or patch is currently available for this vulnerability. Users should monitor the vendor's advisories for updates. In the meantime, limiting network access to the WatchGuard SSO Client and employing network-level protections to block malformed commands may reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WatchGuard
- Date Reserved
- 2024-07-09T02:09:05.229Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7670cabf8831d53961953a
Added to database: 08/07/2026, 23:56:58 UTC
Last enriched: 08/08/2026, 00:11:11 UTC
Last updated: 08/08/2026, 00:41:05 UTC
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.