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CVE-2024-6593

WatchGuard Firebox Single Sign-On Agent Management Interface Authentication Bypass

Critical9.3EPSS 0.58%
Published
Updated
Reserved
Assigned by
WatchGuard

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.

Scores

CVSS scores of CVE-2024-6593, by who scored it
Scored byCVSSScoreVector
WatchGuardCNA (assigner)4.0Critical9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
NVDNVD · Modified4.0Critical9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (exploitation in 30 days)
0.58% · top 52% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.3.

Weakness

Affected products

What to do

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.

Exploitation: WatchGuard is not aware of any exploitation of this vulnerability in the wild.

References (3)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .