Auth bypass in Sktelecom Com.skt.prod.dialer
CVE-2025-43977
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.
Vulnerability class: Broken Access Control
EPSS: 0.001 (3.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Sktelecom Com.skt.prod.dialer — versions 12.5.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Product)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-43977?
- CVE-2025-43977 is a medium-severity vulnerability in Sktelecom Com.skt.prod.dialer, classified under Missing Authorization. CVSS score: 5.5/10. Published 2025-07-21.
- How severe is CVE-2025-43977?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2025-43977 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.