CVE-2022-31789

An integer overflow in WatchGuard Firebox and XTM appliances allows an unauthenticated remote attacker to trigger a buffer overflow and potentially execute arbitrary code by sending a malicious request to exposed management ports. This is fixed in Fireware OS 12.8.1, 12.5.10, and 12.1.4.

Published: 2022-09-06 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-31789 is rated High Risk (67.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 4.04%). High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-31789

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 2025-10-23 6.46% 4.04% -2.42%
2 2025-09-23 7.41% 6.46% -0.95%
3 2025-09-13 — 7.41% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-31789

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]

Weakness enumeration for CVE-2022-31789

Affected software / configurations for CVE-2022-31789

Vendor Product Version Raw CPE
watchguard fireware >= 12.0.0, < 12.1.4 cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*
watchguard fireware >= 12.2.0, < 12.5.10 cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*
watchguard fireware 12.6.1 cpe:2.3:o:watchguard:fireware:12.6.1:u1:*:*:*:*:*:*
watchguard fireware 12.6.1 cpe:2.3:o:watchguard:fireware:12.6.1:u3:*:*:*:*:*:*
watchguard fireware 12.6.3 cpe:2.3:o:watchguard:fireware:12.6.3:*:*:*:*:*:*:*
watchguard fireware 12.6.4 cpe:2.3:o:watchguard:fireware:12.6.4:*:*:*:*:*:*:*
watchguard fireware 12.7.0 cpe:2.3:o:watchguard:fireware:12.7.0:u1:*:*:*:*:*:*
watchguard fireware 12.7.1 cpe:2.3:o:watchguard:fireware:12.7.1:*:*:*:*:*:*:*
watchguard fireware 12.7.2 cpe:2.3:o:watchguard:fireware:12.7.2:u2:*:*:*:*:*:*
watchguard fireware 12.8.0 cpe:2.3:o:watchguard:fireware:12.8.0:u1:*:*:*:*:*:*

References for CVE-2022-31789

cvelogic Threat Intelligence