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.
Conclusion & alert: CVE-2022-23176 is rated Critical Active Threat (93.4/100): CVSS High severity, with high exploitation likelihood (EPSS 10.17%, 93th percentile). Core evidence: CISA KEV confirms active exploitation (added 2022-04-11) affecting WatchGuard / Firebox and XTM. Unauthenticated remote administrative access may be possible. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: WatchGuard Firebox and XTM Privilege Escalation Vulnerability · CISA KEV detail
: 2022-04-11
: 2022-05-02
: Apply updates per vendor instructions.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-17 | 9.57% | 10.17% | +0.60% |
| 2 | 2025-11-21 | 39.31% | 9.57% | -29.74% |
| 3 | 2025-11-18 | — | 39.31% | — |
Full EPSS history (27 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 9.0 | 2.0 | HIGH |
|
8.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| watchguard | fireware | >= 12.0.0, < 12.1.3 | cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* |
| watchguard | fireware | >= 12.2.0, < 12.5.7 | cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* |
| watchguard | fireware | 12.1.3 | cpe:2.3:o:watchguard:fireware:12.1.3:-:*:*:*:*:*:* |
| watchguard | fireware | 12.1.3 | cpe:2.3:o:watchguard:fireware:12.1.3:u1:*:*:*:*:*:* |
| watchguard | fireware | 12.1.3 | cpe:2.3:o:watchguard:fireware:12.1.3:u2:*:*:*:*:*:* |
| watchguard | fireware | 12.5.7 | cpe:2.3:o:watchguard:fireware:12.5.7:-:*:*:*:*:*:* |
| watchguard | fireware | 12.5.7 | cpe:2.3:o:watchguard:fireware:12.5.7:u1:*:*:*:*:*:* |
| watchguard | fireware | 12.5.7 | cpe:2.3:o:watchguard:fireware:12.5.7:u2:*:*:*:*:*:* |
| watchguard | fireware | 12.7.2 | cpe:2.3:o:watchguard:fireware:12.7.2:-:*:*:*:*:*:* |