SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2022-23176

WatchGuard Firebox and XTM Privilege Escalation Vulnerability

KEVHIGH 8.8EPSS 10.8%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 2 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

WatchGuard Firebox and XTM appliances allow a remote attacker with unprivileged credentials to access the system with a privileged management session via exposed management access. This vulnerability impacts Fireware OS before 12.7.2_U1, 12.x before 12.1.3_U3, and 12.2.x through 12.5.x before 12.5.7_U3.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
10.80% probability · 96th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 11 April 2022 · due 2 May 2022
Affected
watchguard/fireware
Source
cve@mitre.org
EPSS trend
0%8%15%24 September 2026: 10.80%30 October 2026: 10.80%24 September 202630 October 2026

EPSS moved from 10.8% on 24 September 2026 to 10.8% on 30 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2022-23176

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.