How severe is CVE-2022-21132?

CVE-2022-21132 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-21132 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-21132?

CVE-2022-21132 primarily affects Pfsense Pfsense-pkg-wireguard. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-21132?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-21132 published?

CVE-2022-21132 was published on 2022-03-10 and last updated on 2026-06-17.

CVE-2022-21132

CVE-2022-21132 is a medium-severity vulnerability in Pfsense Pfsense-pkg-wireguard with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Pfsense Pfsense-pkg-wireguard
Published: 2022-03-10
Last modified: 2026-06-17

Description

Directory traversal vulnerability in pfSense-pkg-WireGuard pfSense-pkg-WireGuard 0.1.5 versions prior to 0.1.5_4 and pfSense-pkg-WireGuard 0.1.6 versions prior to 0.1.6_1 allows a remote authenticated attacker to lead a pfSense user to view a file outside the public folder.

Frequently asked questions

What is CVE-2022-21132?: Directory traversal vulnerability in pfSense-pkg-WireGuard pfSense-pkg-WireGuard 0.1.5 versions prior to 0.1.5_4 and pfSense-pkg-WireGuard 0.1.6 versions prior to 0.1.6_1 allows a remote authenticated attacker to lead a pfSense user to view a file outside the public folder.
How severe is CVE-2022-21132?: CVE-2022-21132 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-21132 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-21132?: CVE-2022-21132 primarily affects Pfsense Pfsense-pkg-wireguard. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-21132?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-21132 published?: CVE-2022-21132 was published on 2022-03-10 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:pfsense:pfsense-pkg-wireguard:*:*:*:*:*:*:*:*
cpe:2.3:a:pfsense:pfsense-pkg-wireguard:0.1.6:*:*:*:*:*:*:*

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