Silent Ring Vulnerability: Local Privilege Escalation in Telecomm

Silent Ring Vulnerability: Local Privilege Escalation in Telecomm

CVE-2023-21378 · HIGH Severity

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

In Telecomm, there is a possible way to silence the ring for calls of secondary users due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Learn more about our User Device Pen Test.