CVE-2024-6594
CVE-2024-6594 is a high-severity vulnerability in Watchguard Single Sign-on Client with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-755.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (39th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-47659
- Weakness: CWE-755
- Affected product: Watchguard Single Sign-on Client
- Published:
- Last modified:
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. This issue affects Single Sign-On Client: through 12.7.
Frequently asked questions
- What is CVE-2024-6594?
- 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. This issue affects Single Sign-On Client: through 12.7.
- How severe is CVE-2024-6594?
- CVE-2024-6594 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2024-6594 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-6594?
- CVE-2024-6594 affects Watchguard Single Sign-on Client. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-6594?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-6594 have an EU (EUVD) identifier?
- Yes. CVE-2024-6594 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-47659.
- When was CVE-2024-6594 published?
- CVE-2024-6594 was published on 2024-09-25 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:watchguard:single_sign-on_client:*:*:*:*:*:windows:*:*
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