CVE-2022-26019

Name: CVE-2022-26019
Creator: NVD / NIST
Published: 2022-03-31T08:15:08.387+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 4.23%

Last modified Jun 17, 2026

CVE-2022-26019 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 4.23% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

4.23%

89.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Netgate	Pfsense	< 2.6.0
Netgate	Pfsense Plus	< 22.01

References

https://docs.netgate.com/downloads/pfSense-SA-22_01.webgui.ascMitigation, Patch, Vendor Advisory
https://jvn.jp/en/jp/JVN87751554/index.htmlPatch, Third Party Advisory
https://docs.netgate.com/downloads/pfSense-SA-22_01.webgui.ascMitigation, Patch, Vendor Advisory
https://jvn.jp/en/jp/JVN87751554/index.htmlPatch, Third Party Advisory

Timeline

Published: Mar 31, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-26019?

How severe is CVE-2022-26019?

CVE-2022-26019 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 4.23% probability of exploitation in the next 30 days.

How do I fix CVE-2022-26019?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-26019?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST