CVE-2020-25176 Rockwell Automation ISaGRAF5 Runtime Relative Path Traversal

Critical 9.1 Published 18 Mar 2022 Updated 16 Apr 2025

Remote unauthenticated attackers can exploit path traversal in ISaGRAF Runtime to achieve remote code execution.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-25176?

CVE-2020-25176 is a critical path traversal vulnerability in Rockwell Automation ISaGRAF Runtime, published on 18 Mar 2022. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Some commands used by the Rockwell Automation ISaGRAF Runtime Versions 4.x and 5.x eXchange Layer (IXL) protocol perform various file operations in the file system. Since the parameter pointing to the file name is not checked for reserved characters, it is possible for a remote, unauthenticated attacker to traverse an application’s directory, which could lead to remote code execution.

Weakness: CWE-22, CWE-23

Which versions are affected by CVE-2020-25176?

It affects 17 products.

Products include Rockwellautomation Aadvance Controller, Rockwellautomation Isagraf Free Runtime, Rockwellautomation Isagraf Runtime, Rockwellautomation Micro810 Firmware, Rockwellautomation Micro820 Firmware, Rockwellautomation Micro830 Firmware and 11 more.

How do I fix CVE-2020-25176?

No fix has been published for CVE-2020-25176 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2020-25176 being exploited?

There is no known exploitation of CVE-2020-25176 in the wild and no public exploit code.

Sources

Also known as GHSA-fg53-m5qv-8qwq.