CVE-2023-21494: Samsung Android

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

Potential buffer overflow vulnerability in auth api in mm_Authentication.c in Shannon baseband prior to SMR May-2023 Release 1 allows remote attackers to cause invalid memory access.

Affected products

• Samsung Android: version 13.0 only

Published 2023-05-04. Last modified 2026-06-17.