CVE-2024-6592

WatchGuard Firebox Single Sign-On Agent Protocol Authorization Bypass

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

Affected

WatchGuard · SSO Client · SSO Agent

CVSS v4.0 CNA

9.3 CRITICALCVSS: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

CVSS v3.1 NVD

9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS

1.17% chance of exploitation in the next 30 days, 67th percentile

Published

2024-09-25

Updated

2026-08-07

Proof-of-concept exploits (1)

• RedTeamPentesting/watchguard-sso-client3★ · 2024-09-17

Security advisories

• https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2024-00014

References

• CVE Record
• NVD entry

Related

• CVE-2020-13935
• CVE-2023-27706
• CVE-2023-33243
• CVE-2024-6593
• CVE-2024-6594