CVE-2020-25161 Path traversal in Advantech WebAccess/SCADA

High 8.8 Published 23 Feb 2021 Updated 4 Aug 2024

Attackers can exploit path traversal in WebAccess/SCADA to remotely execute code with administrator privileges.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-25161?

CVE-2020-25161 is a high-severity path traversal vulnerability in Advantech WebAccess/SCADA, published on 23 Feb 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The WADashboard component of WebAccess/SCADA Versions 9.0 and prior may allow an attacker to control or influence a path used in an operation on the filesystem and remotely execute code as an administrator.

Weakness: CWE-610, CWE-73

Which versions are affected by CVE-2020-25161?

It affects 1 product.

Products include Advantech Webaccess\/Scada.

How do I fix CVE-2020-25161?

No fix has been published for CVE-2020-25161 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-2020-25161 being exploited?

There is no known exploitation of CVE-2020-25161 in the wild and no public exploit code.

Sources

Also known as GHSA-m5h2-xg59-x76g.