CVE-2023-21455 Auth bypass in Samsung Mobile Devices
Improper authorization in Exynos baseband allows incorrect handling of unencrypted messages, potentially bypassing security checks on Samsung mobile devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-21455?
CVE-2023-21455 is a medium-severity authentication bypass vulnerability in Samsung Mobile Devices, published on 16 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper authorization implementation in Exynos baseband prior to SMR Mar-2023 Release 1 allows incorrect handling of unencrypted message.
Weakness: CWE-287
Which versions are affected by CVE-2023-21455?
It affects 1 product.
Products include Samsung Exynos Firmware.
How do I fix CVE-2023-21455?
No fix has been published for CVE-2023-21455 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2023-21455 being exploited?
There is no known exploitation of CVE-2023-21455 in the wild and no public exploit code.
Other vulnerabilities in Samsung Mobile Devices
Sources
Also known as GHSA-wxhm-9fww-9xcx.