CVE-2021-30273 Denial of service in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Wearables

High 7.5 Published 3 Jan 2022 Updated 3 Aug 2024

An attacker can cause a denial of service via an assertion failure triggered by malformed IPv6 packets in 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-2021-30273?

CVE-2021-30273 is a high-severity denial of service vulnerability in Qualcomm Apq8009w Firmware, published on 3 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Possible assertion due to improper handling of IPV6 packet with invalid length in destination options header in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Wearables

Weakness: CWE-617

Which versions are affected by CVE-2021-30273?

It affects 74 products.

Products include Qualcomm Apq8009w Firmware, Qualcomm Apq8096au Firmware, Qualcomm Ar6003 Firmware, Qualcomm Csrb31024 Firmware, Qualcomm Mdm8207 Firmware, Qualcomm Mdm9205 Firmware and 68 more.

How do I fix CVE-2021-30273?

No fix has been published for CVE-2021-30273 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-2021-30273 being exploited?

There is no known exploitation of CVE-2021-30273 in the wild and no public exploit code.

All Qualcomm Apq8009w Firmware vulnerabilities

Sources

Also known as GHSA-429m-4jmr-m854.