CVE-2023-21467

MEDIUM

Published Sep 3, 2025 Modified Sep 8, 2025 CWE-287

Description

Error in 3GPP specification implementation in Exynos baseband prior to SMR Apr-2023 Release 1 allows incorrect handling of unencrypted message.

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CVSS v3.1 Score

4.6

MEDIUM

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

Weakness Type (CWE)

CWE-287 Improper Authentication

Affected Products

Vendor	Product	Versions
samsung	exynos	All

References

Advisories & Patches

https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=04

Frequently Asked Questions

What is CVE-2023-21467? +

Error in 3GPP specification implementation in Exynos baseband prior to SMR Apr-2023 Release 1 allows incorrect handling of unencrypted message. It has a CVSS v3.1 base score of 4.6 (MEDIUM).

How severe is CVE-2023-21467? +

CVE-2023-21467 has a CVSS v3.1 score of 4.6 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-21467? +

CVE-2023-21467 affects products from samsung, specifically: exynos. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-21467? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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