What’s Vulnerable › Vulnerabilities

CVE-2023-21422

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% 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-285

Description

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: 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 (+57)

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-2023-21422 or the next vulnerability affects your stack