CVE-2023-21428

Severity: low (CVSS 3.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-02-09 · updated 2026-06-17
Weakness: CWE-20

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.

Affected products

Samsung Android: 11.0, 11.0-smr-apr-2021-r1, 11.0-smr-apr-2022-r1, 11.0-smr-apr-2023-r1, 11.0-smr-aug-2021-r1, 11.0-smr-aug-2022-r1 (+72)

References

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

Get alerted when CVE-2023-21428 or the next vulnerability affects your stack