CVE-2021-25437 Missing authorization in Tizen wearable devices
Attackers can execute arbitrary code on Tizen wearable devices by replacing the FOTA update file due to improper access control.
- 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-2021-25437?
CVE-2021-25437 is a critical missing authorization vulnerability in Samsung Mobile Tizen wearable devices, published on 8 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper access control vulnerability in Tizen FOTA service prior to Firmware update JUL-2021 Release allows attackers to arbitrary code execution by replacing FOTA update file.
Weakness: CWE-20
Which versions are affected by CVE-2021-25437?
It affects 1 product.
Products include Linux Tizen.
How do I fix CVE-2021-25437?
No fix has been published for CVE-2021-25437 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-25437 being exploited?
There is no known exploitation of CVE-2021-25437 in the wild and no public exploit code.
Other vulnerabilities in Samsung Mobile Tizen wearable devices
- CVE-2021-25434 Code injection in Tizen wearable devices
- CVE-2021-25435 Code injection in Tizen wearable devices
- CVE-2021-25436 Code injection in Tizen wearable devices
- CVE-2018-16262 Privilege escalation in n/a
- CVE-2018-16263 The PulseAudio system service in Tizen allows an unprivileged process to control its A2DP MediaEndpoint, due to improper D-Bus security policy configurations.
Sources
Also known as GHSA-36pg-q9f9-m4xv.