CVE-2020-11243 Denial of service in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile
A flaw in Qualcomm Snapdragon firmware allows attackers to cause a denial of service by bypassing connection setup validation checks.
- 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-2020-11243?
CVE-2020-11243 is a high-severity denial of service vulnerability in Qualcomm Aqt1000 Firmware, published on 7 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
RRC sends a connection establishment success to NAS even though connection setup validation returns failure and leads to denial of service in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile
Weakness: CWE-755
Which versions are affected by CVE-2020-11243?
It affects 137 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Fsm10055 Firmware, Qualcomm Fsm10056 Firmware, Qualcomm Pm3003a Firmware, Qualcomm Pm7150a Firmware and 131 more.
How do I fix CVE-2020-11243?
No fix has been published for CVE-2020-11243 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-2020-11243 being exploited?
There is no known exploitation of CVE-2020-11243 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Aqt1000 Firmware
- CVE-2025-21479 Qualcomm Multiple Chipsets Incorrect Authorization
- CVE-2025-21480 Qualcomm Multiple Chipsets Incorrect Authorization
- CVE-2023-28562 Buffer Copy Without Checking Size of Input in QESL
- CVE-2022-40514 Buffer copy without checking size of input in WLAN Firmware
- CVE-2022-22096 Memory corruption in Snapdragon Connectivity, Snapdragon Mobile
Sources
Also known as GHSA-7rp2-q3m6-w939.