CISA KEV source record / CVE-2022-23176

WatchGuard Firebox and XTM Privilege Escalation Vulnerability

WatchGuard / Firebox and XTM

Known exploitation catalogNot a Secureline discoveryNot a live alert

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.

CVE identifier
CVE-2022-23176
Added to KEV
Apr 11, 2022
CISA catalog dueDate
May 2, 2022

The dates above are catalog fields. The addition date does not establish when the vulnerability was discovered or first exploited. Confirm which requirements apply to your organisation separately.

Publisher's required action

Apply updates per vendor instructions.

This wording is attributed to the CISA snapshot. Verify current vendor guidance, affected versions and your deployment before applying changes.

Keep the signals separate.

Ransomware use, as reported by CISA
Unknown
CVSS severity
Not supplied by KEV
EPSS probability
10.80%

EPSS score date: 2026-09-27T12:00:21Z. Percentile: 95.70%. Model version: v2026.06.15.

A dated estimate of exploitation probability over the following 30 days, not a severity score or a probability of a breach in your environment.

Inspect the EPSS source ↗

“Unknown” ransomware use is an unknown source field, not proof that ransomware activity has not occurred.

Source notes

https://nvd.nist.gov/vuln/detail/CVE-2022-23176

Source & freshness

Catalog version 2026.09.27
Source updated: Sep 27, 2026, 9:30 PM UTC
Successfully checked: Sep 27, 2026, 11:50 PM UTC
This snapshot is older than 36 hours. Check current publisher guidance.

Automated source record, not an editorial advisory or an independent discovery. No affected or fixed version is inferred, and no organisation-specific risk rating is generated.