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Back to active CVEs
Critical · CVSS 9.3CVE-2024-6593

WatchGuard Firebox Single Sign-On Agent Management Interface Authentication BypassCVE-2024-6593

Answer in brief

CVE-2024-6593 records a Critical severity (CVSS 9.3) vulnerability in WatchGuard Firebox Single Sign-On Agent Management Interface Authentication Bypass. The current sources do not mark it as known exploited. The current feed maps watchguard/authentication_gateway (generic), watchguard/authentication_gateway (generic), WatchGuard/SSO Agent (generic), WatchGuard/SSO Agent (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 25, 2024Updated Aug 8, 2026Source checked Nov 6, 2026First seen by HOL Aug 8, 2026Material review Aug 8, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.3
Exploitation
Not marked as known exploited
Affected software
5 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 9.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps watchguard/authentication_gateway (generic), watchguard/authentication_gateway (generic), WatchGuard/SSO Agent (generic), WatchGuard/SSO Agent (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:watchguard:authentication_gateway:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
watchguard/authentication_gatewaygeneric0Not reported
watchguard/authentication_gatewaygeneric>=0 <=12.10.2Not reported
WatchGuard/SSO Agentgeneric12.0Not reported
WatchGuard/SSO Agentgeneric>=12.0 <=12.10.2Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for watchguard/authentication_gateway, watchguard/authentication_gateway, WatchGuard/SSO Agent.
  2. 2Review the reported fix. Source-reported workaround: An attacker must have already established network access to exploit this vulnerability. WatchGuard recommends using Windows Firewall rules to restrict TCP port 4114 network access to the Authentication Gateway to only allow connections from the Firebox. Windows administrators can use Group Policy objects to add Windows firewall rules to their endpoints.

Evidence timeline and material changes

  1. Published upstream

    Sep 25, 2024

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 8, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 8, 2026

Sources and claim methodology

  • Source referencepsirt.watchguard.com
  • Source referenceredteam-pentesting.de
  • Source referencewatchguard.com
Upstream source description

Incorrect Authorization vulnerability in WatchGuard Authentication Gateway (aka Single Sign-On Agent) on Windows allows an attacker with network access to execute restricted management commands. An attacker that has already gained network access could exploit this vulnerability to retrieve authenticated usernames and group memberships from the Single Sign-On Agent or tamper with the agent configuration. This vulnerability cannot be used by an attacker to gain access to user credentials.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-863
Source
CVE List V5
Source checked
Nov 6, 2026
References
3 linked sources
Open source record