CVE-2023-21627 Incorrect Type Conversion or Cast in Trusted Execution Environment
Memory corruption in Qualcomm Snapdragon Trusted Execution Environment allows attackers to execute arbitrary code or escalate privileges via invalid API calls.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-21627?
CVE-2023-21627 is a medium-severity memory corruption vulnerability in Qualcomm Aqt1000 Firmware, published on 8 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory corruption in Trusted Execution Environment while calling service API with invalid address.
Which versions are affected by CVE-2023-21627?
It affects 48 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Qca6390 Firmware, Qualcomm Qca6391 Firmware, Qualcomm Qca6420 Firmware, Qualcomm Qca6426 Firmware, Qualcomm Qca6430 Firmware and 42 more.
How do I fix CVE-2023-21627?
No fix has been published for CVE-2023-21627 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-21627 being exploited?
There is no known exploitation of CVE-2023-21627 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-7mfq-6g2m-f3gm.