CVE-2021-1091 Path traversal in NVIDIA GPU Display Driver

High 7.1 Published 22 Jul 2021 Updated 3 Aug 2024

An unprivileged user can exploit hard links to overwrite protected files, causing data loss or denial of service.

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-2021-1091?

CVE-2021-1091 is a high-severity path traversal vulnerability in Nvidia Gpu Display Driver, published on 22 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

NVIDIA GPU Display driver for Windows contains a vulnerability where an unprivileged user can create a file hard link that causes the driver to overwrite a file that requires elevated privilege to modify, which could lead to data loss or denial of service.

Weakness: CWE-59

Which versions are affected by CVE-2021-1091?

It affects 1 product.

Products include Nvidia Gpu Display Driver.

How do I fix CVE-2021-1091?

No fix has been published for CVE-2021-1091 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-2021-1091 being exploited?

There is no known exploitation of CVE-2021-1091 in the wild and no public exploit code.

All Nvidia Gpu Display Driver vulnerabilities

Sources

Also known as GHSA-4vj4-g3hp-pfw5.