CVE-2021-35097 Auth bypass in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

High 7.3 Published 2 Sep 2022 Updated 4 Aug 2024

Attackers can bypass authentication in Qualcomm Snapdragon firmware due to improper signature verification order, affecting multiple device categories.

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-2021-35097?

CVE-2021-35097 is a high-severity authentication bypass vulnerability in Qualcomm Aqt1000 Firmware, published on 2 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Possible authentication bypass due to improper order of signature verification and hashing in the signature verification call in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Weakness: CWE-347

Which versions are affected by CVE-2021-35097?

It affects 129 products.

Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Csrb31024 Firmware and 123 more.

How do I fix CVE-2021-35097?

No fix has been published for CVE-2021-35097 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2021-35097 being exploited?

There is no known exploitation of CVE-2021-35097 in the wild and no public exploit code.

All Qualcomm Aqt1000 Firmware vulnerabilities

Sources

Also known as GHSA-mp2x-rxhg-987g.