CVE-2023-21455 — MEDIUM (5.9)

Vulnerability Description

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

CVSS Score

5.9

MEDIUM

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Samsung	Exynos Firmware	-
Samsung	Exynos	-

Related Weaknesses (CWE)

CWE-287

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=03Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=03Vendor Advisory

FAQ

What is CVE-2023-21455?

CVE-2023-21455 is a vulnerability with a CVSS score of 5.9 (MEDIUM). Improper authorization implementation in Exynos baseband prior to SMR Mar-2023 Release 1 allows incorrect handling of unencrypted message.

How severe is CVE-2023-21455?

CVE-2023-21455 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-21455?

Check the references section above for vendor advisories and patch information. Affected products include: Samsung Exynos Firmware, Samsung Exynos.