CVE-2020-8338 Path traversal in Diagnostics

High 7.8 Published 14 Oct 2020 Updated 4 Aug 2024

A DLL search path vulnerability in Lenovo Diagnostics allows local attackers to execute arbitrary code on the system.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-8338?

CVE-2020-8338 is a high-severity path traversal vulnerability in Lenovo Diagnostics, published on 14 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A DLL search path vulnerability was reported in Lenovo Diagnostics prior to version 4.35.4 that could allow a user with local access to execute code on the system.

Weakness: CWE-426

Which versions are affected by CVE-2020-8338?

It affects 1 product.

Products include Lenovo Diagnostics.

How do I fix CVE-2020-8338?

No fix has been published for CVE-2020-8338 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-2020-8338 being exploited?

There is no known exploitation of CVE-2020-8338 in the wild and no public exploit code.

Sources

Also known as GHSA-v7g9-7p54-fq4m.