CVE-2021-1937 Denial of service in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

High 7.5 Published 9 Jun 2021 Updated 3 Aug 2024

A reachable assertion in Qualcomm Snapdragon firmware allows attackers to cause a denial of service via crafted WLAN messages.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-1937?

CVE-2021-1937 is a high-severity denial of service vulnerability in Qualcomm Aqt1000 Firmware, published on 9 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Reachable assertion is possible while processing peer association WLAN message from host and nonstandard incoming packet in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

Weakness: CWE-617

Which versions are affected by CVE-2021-1937?

It affects 186 products.

Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Ar9380 Firmware, Qualcomm Csr8811 Firmware, Qualcomm Csra6620 Firmware and 180 more.

How do I fix CVE-2021-1937?

No fix has been published for CVE-2021-1937 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2021-1937 being exploited?

There is no known exploitation of CVE-2021-1937 in the wild and no public exploit code.

All Qualcomm Aqt1000 Firmware vulnerabilities

Sources

Also known as GHSA-rc2p-cr9j-xgqc.