CVE-2021-34404 Privilege escalation in SHIELD TV

High 7.1 Published 18 Jan 2022 Updated 4 Aug 2024

An unprivileged attacker with physical access can exploit BROM to cause denial of service or compromise integrity and confidentiality beyond BROM's security scope.

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

What is CVE-2021-34404?

CVE-2021-34404 is a high-severity vulnerability in NVIDIA SHIELD TV, published on 18 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Android images for T210 provided by NVIDIA contain a vulnerability in BROM, where failure to limit access to AHB-DMA when BROM fails may allow an unprivileged attacker with physical access to cause denial of service or impact integrity and confidentiality beyond the security scope of BROM.

Which versions are affected by CVE-2021-34404?

It affects 1 product.

Products include Nvidia Shield Experience.

How do I fix CVE-2021-34404?

No fix has been published for CVE-2021-34404 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-34404 being exploited?

There is no known exploitation of CVE-2021-34404 in the wild and no public exploit code.

Sources

Also known as GHSA-3ghw-4xg5-hgw2.