CVE-2021-1953 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 13 Jul 2021 Updated 3 Aug 2024

A remote attacker can cause a denial of service by sending a malformed FTMR request frame to affected Qualcomm Snapdragon devices.

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-2021-1953?

CVE-2021-1953 is a high-severity denial of service vulnerability in Qualcomm Aqt1000 Firmware, published on 13 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper handling of received malformed FTMR request frame can lead to reachable assertion while responding with FTM1 frame 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-2021-1953?

It affects 205 products.

Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Ar9380 Firmware, Qualcomm Csr8811 Firmware, Qualcomm Csra6620 Firmware and 199 more.

How do I fix CVE-2021-1953?

No fix has been published for CVE-2021-1953 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-2021-1953 being exploited?

There is no known exploitation of CVE-2021-1953 in the wild and no public exploit code.

All Qualcomm Aqt1000 Firmware vulnerabilities

Sources

Also known as GHSA-m3qq-9rcv-84v8.