CVE-2023-21428

Name: CVE-2023-21428
Creator: NVD / NIST
Published: 2023-02-09T19:15:15.45+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 0.17%

Last modified Jun 17, 2026

CVE-2023-21428 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. Improper input validation vulnerability in TelephonyUI prior to SMR Jan-2023 Release 1 allows attackers to configure Preferred Call. The patch removes unused code.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

Improper input validation vulnerability in TelephonyUI prior to SMR Jan-2023 Release 1 allows attackers to configure Preferred Call. The patch removes unused code.

Metrics

CVSS 3.1

3.3/10

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

EPSS Probability

0.17%

6.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Samsung	Android	11.0
Samsung	Android	12.0
Samsung	Android	13.0

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=01Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=01Vendor Advisory

Timeline

Published: Feb 9, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21428?

Improper input validation vulnerability in TelephonyUI prior to SMR Jan-2023 Release 1 allows attackers to configure Preferred Call. The patch removes unused code.

How severe is CVE-2023-21428?

CVE-2023-21428 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21428?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-21428?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST