CVE-2023-21445 Missing authorization in The patch adds proper access control to use explicit intent.
A local attacker can write files with elevated privileges in the Samsung MyFiles app due to improper access control on implicit intents.
- Exploited in the wild
- Not known
- 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-2023-21445?
CVE-2023-21445 is a medium-severity missing authorization vulnerability in Samsung Android, published on 9 Feb 2023. 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 vulnerability in MyFiles prior to versions 12.2.09 in Android R(11), 13.1.03.501 in Android S(12) and 14.1.00.422 in Android T(13) allows local attacker to write file with MyFiles privilege via implicit intent.
Which versions are affected by CVE-2023-21445?
It affects 1 product.
Products include Samsung Android.
How do I fix CVE-2023-21445?
No fix has been published for CVE-2023-21445 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-2023-21445 being exploited?
There is no known exploitation of CVE-2023-21445 in the wild and no public exploit code.
Other vulnerabilities in Samsung Android
Sources
Also known as GHSA-q22j-6g9r-wc97.