CVE-2023-21422
Improper authorization vulnerability in semAddPublicDnsAddr in WifiSevice prior to SMR Jan-2023...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2023-21422- CVSS 3.1
- 5.7 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L - Weakness
- CWE-285
- Updated
- 2026-11-02
EUVDEUVD-2023-25590
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.
- Record
EUVD-2023-25590- CVSS 3.1
- 5.7 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-fqp8-5p4x-f5mw
Improper authorization vulnerability in semAddPublicDnsAddr in WifiSevice prior to SMR Jan-2023...
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.
- Record
GHSA-fqp8-5p4x-f5mw- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-21422- CVSS 3.1
- 5.7 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L - CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-285, CWE-863
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-21422 is a medium vulnerability (CVSS 5.7) in Samsung Android, published February 9, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. No source names a fixed version.