Paper/Archive/CVE-2023-21455

CVE-2023-21455

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

EPSS 0.4%CVSS 9.1

critical.is priorityof 100

CVSS 9.1 (NVD)9.1 / 10 × 3027.3 Not in CISA KEV+300.0 EPSS percentile 34.6.346 × 206.9 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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

Affected

ProductAffectedFixed inSource

Samsung Mobile DevicesSelect devices using Exynos CP chipsets – < SMR Mar-2023 Release 1SMR Mar-2023 Release 1CNA

Scores by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Samsung Mobile (CNA)5.9CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

refsecurity.samsungmobile.com/securityUpdate.smsb?year=2023&month=03