What is CVE-2022-26019?

CVE-2022-26019 is an improper access control vulnerability in pfSense CE and pfSense Plus, which allows a remote attacker to rewrite existing files on the file system.

What is the severity of CVE-2022-26019?

The severity of CVE-2022-26019 is high (8.8).

How can a remote attacker exploit CVE-2022-26019?

A remote attacker with the privilege to change NTP GPS settings can exploit CVE-2022-26019 by rewriting existing files on the file system.

Are there any official references for CVE-2022-26019?

Yes, you can find official references for CVE-2022-26019 at the following links: [Netgate pfSense Security Advisory](https://docs.netgate.com/downloads/pfSense-SA-22_01.webgui.asc), [JVN](https://jvn.jp/en/jp/JVN87751554/index.html).

Vulnerability/
CVE-2022-26019

high

8.8

CWE

31/3/2022

8/8/2023

CVE-2022-26019: Path Traversal

Q: Which software versions are affected by CVE-2022-26019?

CVE-2022-26019 affects pfSense CE software versions prior to 2.6.0 and pfSense Plus software versions prior to 22.01.

First published: Thu Mar 31 2022(Updated: )

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.

Credit: vultures@jpcert.or.jp vultures@jpcert.or.jp

Affected Software	Affected Version	How to fix
Netgate pfSense	<2.6.0
Netgate pfSense Plus	<22.01

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Frequently Asked Questions

What is CVE-2022-26019?
CVE-2022-26019 is an improper access control vulnerability in pfSense CE and pfSense Plus, which allows a remote attacker to rewrite existing files on the file system.
What is the severity of CVE-2022-26019?
The severity of CVE-2022-26019 is high (8.8).
Which software versions are affected by CVE-2022-26019?
CVE-2022-26019 affects pfSense CE software versions prior to 2.6.0 and pfSense Plus software versions prior to 22.01.
How can a remote attacker exploit CVE-2022-26019?
A remote attacker with the privilege to change NTP GPS settings can exploit CVE-2022-26019 by rewriting existing files on the file system.
Are there any official references for CVE-2022-26019?
Yes, you can find official references for CVE-2022-26019 at the following links: [Netgate pfSense Security Advisory](https://docs.netgate.com/downloads/pfSense-SA-22_01.webgui.asc), [JVN](https://jvn.jp/en/jp/JVN87751554/index.html).

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