CVE-2021-30279 Missing authorization in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking

High 7.8 Published 3 Jan 2022 Updated 3 Aug 2024

Improper permission masking in Qualcomm Snapdragon firmware allows attackers to bypass access controls and escalate privileges.

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-2021-30279?

CVE-2021-30279 is a high-severity 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

Possible access control violation while setting current permission for VMIDs due to improper permission masking in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking

Weakness: CWE-281

Which versions are affected by CVE-2021-30279?

It affects 62 products.

Products include Qualcomm Ar8035 Firmware, Qualcomm Qca6390 Firmware, Qualcomm Qca6391 Firmware, Qualcomm Qca6426 Firmware, Qualcomm Qca6436 Firmware, Qualcomm Qca8337 Firmware and 56 more.

How do I fix CVE-2021-30279?

No fix has been published for CVE-2021-30279 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-2021-30279 being exploited?

There is no known exploitation of CVE-2021-30279 in the wild and no public exploit code.

All Qualcomm Ar8035 Firmware vulnerabilities

Sources

Also known as GHSA-985q-9w8f-wxj5.