CVE-2023-21455

9.1 criticalEPSS 0.4%

Critical (9.1) in samsung exynos firmware. EPSS 0.4% chance of exploitation in the next 30 days.

Improper authorization implementation in Exynos baseband prior to SMR Mar-2023 Release 1 allows incorrect handling of unencrypted message.

Severity

9.1 critical

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 34% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2023-03-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19