Improper access control vulnerability in pfSense CE and pfSense Plus (pfSense CE software versions prior to 2.6.0 and pfSense Plus software…

published 2022-03-31 4y ago modified 2026-06-17 4mo ago also EUVD-2022-30588

cvss: 8.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 4.5%; EPSS 4.5% chance of exploitation in 30 days, percentile 91%
public exploits: 0; none known

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.

Patch / fix

fixed in 2 links 2

netgate pfsense 2.6.0
netgate pfsense_plus 22.01

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

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Exploit prediction

4.50% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	8.5	AV:N/AC:M/Au:S/C:C/I:C/A:C

Affected products

pfSense pfSense CE and pfSense Plus

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

jvn.jp /en/jp/JVN87751554/index.html
patch, third-party-advisory
docs.netgate.com /downloads/pfSense-SA-22_01.webgui.asc
mitigation, patch, vendor-advisory

Sources

CVE List CVE-2022-26019
NVD CVE-2022-26019

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