Cyber Resilience

CVE-2024-6592

Critical

Published: 25 September 2024

Published
25 September 2024
Modified
15 October 2025
KEV Added
Patch
CVSS Score v3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS Score 0.0252 85.7th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-6592 is a critical-severity Missing Authentication for Critical Function (CWE-306) vulnerability in Watchguard Single Sign-On Client. Its CVSS base score is 9.1 (Critical).

Operationally, ranked in the top 14.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Incorrect Authorization vulnerability in the protocol communication between the WatchGuard Authentication Gateway (aka Single Sign-On Agent) on Windows and the WatchGuard Single Sign-On Client on Windows and MacOS allows Authentication Bypass.This issue affects the Authentication Gateway: through 12.10.2; Windows Single…

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Sign-On Client: through 12.7; MacOS Single Sign-On Client: through 12.5.4.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

watchguard
authentication gateway
≤ 12.10.2
watchguard
single sign-on client
≤ 12.5.4 · ≤ 12.7

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-306 CWE-863

Authorizing mobile device connections to organizational systems ensures authentication is performed for this critical access function.

addresses: CWE-863 CWE-306

The small, testable reference monitor reduces the likelihood of incorrect authorization implementations.

addresses: CWE-306 CWE-863

Auditing sessions makes it possible to detect access to critical functions without required authentication.

addresses: CWE-306 CWE-863

The assessment process confirms authentication is present and effective for critical functions, preventing exploitation from missing authentication.

addresses: CWE-306 CWE-863

Certification assesses that critical functions have required authentication controls in place.

addresses: CWE-863 CWE-306

Centralized authorization servers reduce incorrect authorization by enforcing consistent policies.

addresses: CWE-306 CWE-863

Policy mandates authentication and authorization for critical functions, ensuring these controls are not omitted for personnel-managed resources.

addresses: CWE-306 CWE-863

Explicit identification of critical functions enables targeted authentication requirements, preventing missing authentication for those functions.

References