CVE-2023-21467
Samsung Exynos Baseband Unencrypted Message Handling Vulnerability
Description
Error in 3GPP specification implementation in Exynos baseband prior to SMR Apr-2023 Release 1 allows incorrect handling of unencrypted message.
INFO
Published Date :
Sept. 3, 2025, 6:15 a.m.
Last Modified :
Sept. 4, 2025, 3:36 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2023-21467
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | MITRE-CVE |
Solution
- Update baseband firmware to the latest version.
- Apply security updates for Exynos devices.
- Install software patches when available.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-21467.
| URL | Resource |
|---|---|
| https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=04 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-21467 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-21467
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-21467 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-21467 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Sep. 03, 2025
Action Type Old Value New Value Added CWE CWE-287 -
New CVE Received by [email protected]
Sep. 03, 2025
Action Type Old Value New Value Added Description Error in 3GPP specification implementation in Exynos baseband prior to SMR Apr-2023 Release 1 allows incorrect handling of unencrypted message. Added CVSS V3.1 AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L Added Reference https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=04