CVE-2022-21132Network attack vector

Authenticated file disclosure via path traversal

Published Mar 7, 2022 · Updated Aug 3, 2024

Path traversal in Netgate pfSense WireGuard Package 0.1.5 before 0.1.5_4 and 0.1.6 before 0.1.6_1 lets remote authenticated users read files. JPCERT/CC and Netgate have not published the affected request parameter, handler, or filesystem operation that fails to confine the requested path. Exploitation requires authenticated pfSense access and is limited to viewing files outside the public folder, with no reported write or service-interruption impact.

CVSS severity6.5
Medium
EPSS probability1.78%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in Netgate pfSense WireGuard Package 0.1.5 before 0.1.5_4 and 0.1.6 before 0.1.6_1 lets remote authenticated users read files. JPCERT/CC and Netgate have not published the affected request parameter, handler, or filesystem operation that fails to confine the requested path. Exploitation requires authenticated pfSense access and is limited to viewing files outside the public folder, with no reported write or service-interruption impact.

The record

CVE
CVE-2022-21132
Published
Mar 7, 2022
Updated
Aug 3, 2024
Vendor
Netgate
Product
pfSense WireGuard Package
Classifications
CWE-22, T1005
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 7, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=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

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Netgate · pfSense WireGuard Packageversion=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

Published CVSS scores

6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.0JPCERT/CCAV:N/AC:L/Au:S/C:P/I:N/A:N
6.5JPCERT/CCCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.0NIST NVDAV:N/AC:L/Au:S/C:P/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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