CVE-2025-43977 Missing authorization in n/a
An attacker can place phone calls without user interaction by sending a crafted intent to the SKT dialer app, bypassing authorization checks.
- 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-2025-43977?
CVE-2025-43977 is a medium-severity missing authorization vulnerability in n/a, published on 21 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The com.skt.prod.dialer application through 12.5.0 for Android enables any installed application (with no permissions) to place phone calls without user interaction by sending a crafted intent via the com.skt.prod.dialer.activities.outgoingcall.OutgoingCallInternalBroadcaster component.
Weakness: CWE-862
Which versions are affected by CVE-2025-43977?
It affects 1 product.
Products include Sktelecom Com.skt.prod.dialer.
How do I fix CVE-2025-43977?
No fix has been published for CVE-2025-43977 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-2025-43977 being exploited?
There is no known exploitation of CVE-2025-43977 in the wild and no public exploit code.
Sources
Also known as GHSA-jfx5-r9xc-fw5c.