CVE-2021-25337 Samsung Mobile Devices Improper Access Control
Untrusted applications can read or write local files due to improper access control in the clipboard service on Samsung mobile devices.
- Exploited in the wild
- Since 8 Nov 2022
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-25337?
CVE-2021-25337 is a medium-severity missing authorization vulnerability in Samsung Android, published on 4 Mar 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Improper access control in clipboard service in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows untrusted applications to read or write certain local files.
Weakness: CWE-269
Which versions are affected by CVE-2021-25337?
It affects 1 product.
Products include Samsung Android.
How do I fix CVE-2021-25337?
No fix has been published for CVE-2021-25337 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 29 Nov 2022.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-25337 being exploited?
Yes. Attackers have exploited CVE-2021-25337 in the wild since at least 8 Nov 2022.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Samsung Android
Sources
Also known as GHSA-7x25-8cjm-2rj9.