CVE-2023-21422: Samsung Android

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper authorization vulnerability in semAddPublicDnsAddr in WifiSevice prior to SMR Jan-2023 Release 1 allows attackers to set custom DNS server without permission via binding WifiService.

Affected products

• Samsung Android: version 11.0 only; version 12.0 only

Published 2023-02-09. Last modified 2026-06-17.