How severe is CVE-2022-31791?

CVE-2022-31791 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-31791 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-31791?

CVE-2022-31791 primarily affects Watchguard Fireware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-31791?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-31791 published?

CVE-2022-31791 was published on 2022-09-06 and last updated on 2026-06-17.

CVE-2022-31791

CVE-2022-31791 is a high-severity vulnerability in Watchguard Fireware with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Watchguard Fireware
Published: 2022-09-06
Last modified: 2026-06-17

Description

WatchGuard Firebox and XTM appliances allow a local attacker (that has already obtained shell access) to elevate their privileges and execute code with root permissions. This is fixed in Fireware OS 12.8.1, 12.5.10, and 12.1.4.

Frequently asked questions

What is CVE-2022-31791?: WatchGuard Firebox and XTM appliances allow a local attacker (that has already obtained shell access) to elevate their privileges and execute code with root permissions. This is fixed in Fireware OS 12.8.1, 12.5.10, and 12.1.4.
How severe is CVE-2022-31791?: CVE-2022-31791 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-31791 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-31791?: CVE-2022-31791 primarily affects Watchguard Fireware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-31791?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-31791 published?: CVE-2022-31791 was published on 2022-09-06 and last updated on 2026-06-17.

References

https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2022-00018

Affected products (9)

cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:12.6.1:u1:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:12.6.1:u3:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:12.6.3:*:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:12.6.4:*:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:12.7.0:u1:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:12.7.1:*:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:12.7.2:u2:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:12.8.0:u1:*:*:*:*:*:*

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