CVE-2021-25474 Denial of service in Samsung Mobile Devices
An attacker with shell privileges can cause a permanent denial of service on Samsung devices via improper exception handling in SystemUI, requiring a factory reset to recover.
- 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-2021-25474?
CVE-2021-25474 is a medium-severity denial of service vulnerability in Google Android, published on 6 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Assuming a shell privilege is gained, an improper exception handling for multi_sim_bar_show_on_qspanel value in SystemUI prior to SMR Oct-2021 Release 1 allows an attacker to cause a permanent denial of service in user device before factory reset.
Weakness: CWE-755
Which versions are affected by CVE-2021-25474?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-25474?
No fix has been published for CVE-2021-25474 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-2021-25474 being exploited?
There is no known exploitation of CVE-2021-25474 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-jwg3-j355-w7qw.