CVE-2023-21455 | BDVDB-2026-197546 Detail

SamsungSamsung Mobile Devices

Description#

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

Per CVSS v3.1: confidentiality impact low, integrity impact high, availability impact none. Attack vector: adjacent.

No public exploit known

5.9 Medium

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 34.8.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Authentication Issues

No specific action is recorded in the source data. Check the references for vendor guidance.

Vulnerable
>= Select devices using Exynos CP chipsets and < SMR Mar-2023 Release 1
Fixed
SMR Mar-2023 Release 1

Not available

5.9 Medium

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

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).