CVE-2021-30312 Auth bypass in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

High 7.5 Published 20 Oct 2021 Updated 3 Aug 2024

Improper authentication of multicast AMSDU sub-frames allows attackers to disclose sensitive information on Qualcomm Snapdragon devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2021-30312?

CVE-2021-30312 is a high-severity authentication bypass vulnerability in Qualcomm Apq8053 Firmware, published on 20 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper authentication of sub-frames of a multicast AMSDU frame can lead to information disclosure in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Weakness: CWE-287

Which versions are affected by CVE-2021-30312?

It affects 194 products.

Products include Qualcomm Apq8053 Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Ar9380 Firmware, Qualcomm Csr8811 Firmware and 188 more.

How do I fix CVE-2021-30312?

Apply the vendor's patch.

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

Is CVE-2021-30312 being exploited?

There is no known exploitation of CVE-2021-30312 in the wild and no public exploit code.

All Qualcomm Apq8053 Firmware vulnerabilities

Sources

Also known as 2948107, A-193070595, ASB-A-193070595, GHSA-5w83-44pm-v58m.