CVE-2022-26019

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-03-31 · updated 2026-06-17
Weakness: CWE-22

Description

Improper access control vulnerability in pfSense CE and pfSense Plus (pfSense CE software versions prior to 2.6.0 and pfSense Plus software versions prior to 22.01) allows a remote attacker with the privilege to change NTP GPS settings to rewrite existing files on the file system, which may result in arbitrary command execution.

Affected products

Netgate pfSense: before 2.6.0 — fixed in 2.6.0
Netgate Pfsense Plus: before 22.01 — fixed in 22.01

How to fix

Upgrade to a fixed version: Netgate pfSense 2.6.0; Netgate Pfsense Plus 22.01. Check the vendor advisory for mitigations.

References

https://docs.netgate.com/downloads/pfSense-SA-22_01.webgui.asc
https://jvn.jp/en/jp/JVN87751554/index.html
https://docs.netgate.com/downloads/pfSense-SA-22_01.webgui.asc
https://jvn.jp/en/jp/JVN87751554/index.html

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