Quantum Secular Labs / Blog / Advisories
CVE-2022-26318: WatchGuard Firebox and XTM Appliances Arbitrary Code Execution
CVE-2022-26318 is rated critical with a CVSS v3.1 base score of 9.8 and affects WatchGuard Firebox and XTM Appliances. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available. CISA added it to its Known Exploited Vulnerabilities catalog on 2022-03-25, which means exploitation in the wild has been observed.
Vulnerability description
On WatchGuard Firebox and XTM appliances, an unauthenticated user can execute arbitrary code, aka FBX-22786. This vulnerability impacts Fireware OS before 12.7.2_U2, 12.x before 12.1.3_U8, and 12.2.x through 12.5.x before 12.5.9_U2.
Severity breakdown
CVSS v3.1 9.8: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
- Attack complexity: Low. No special conditions; the attack can be repeated reliably.
- Privileges required: None. No account or prior access is needed.
- User interaction: None. No action from any user is needed.
- Scope: Unchanged. Impact stays within the vulnerable component.
- Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
- Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
- Availability impact: High. Total loss of availability; the component can be shut down.
Affected products
- Watchguard Fireware: from 12.0.0 before 12.1.3; from 12.5 before 12.5.9; from 12.7.0 before 12.7.2; 12.1.3; 12.1.3 u1; 12.1.3 u2; 12.1.3 u3; 12.1.3 u4; 12.1.3 u5; 12.1.3 u6; 12.1.3 u7; 12.5.9 u1