CVE-2021-30276 Missing authorization in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Wired Infrastructure and Networking

Critical 9.3 Published 3 Jan 2022 Updated 3 Aug 2024

Improper access control in Snapdragon firmware allows unauthorized access to secure resources during dynamic XPU re-configuration.

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-2021-30276?

CVE-2021-30276 is a critical missing authorization vulnerability in Qualcomm Ar8035 Firmware, published on 3 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper access control while doing XPU re-configuration dynamically can lead to unauthorized access to a secure resource in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Wired Infrastructure and Networking

Which versions are affected by CVE-2021-30276?

It affects 58 products.

Products include Qualcomm Ar8035 Firmware, Qualcomm Qca6390 Firmware, Qualcomm Qca6391 Firmware, Qualcomm Qca6426 Firmware, Qualcomm Qca6436 Firmware, Qualcomm Qca8337 Firmware and 52 more.

How do I fix CVE-2021-30276?

No fix has been published for CVE-2021-30276 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-30276 being exploited?

There is no known exploitation of CVE-2021-30276 in the wild and no public exploit code.

All Qualcomm Ar8035 Firmware vulnerabilities

Sources

Also known as GHSA-27pg-jvfh-7c97.