Privilege escalation in Samsung Android
CVE-2023-21421
Improper Handling of Insufficient Permissions or Privileges vulnerability in KnoxCustomManagerService prior to SMR Jan-2023 Release 1 allows attacker to access device SIM PIN.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.002 (4.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Samsung Android — versions 10.0, 11.0, 12.0
- Samsung Mobile Devices — versions Q(10), R(11), S(12), T(13)
Weakness classification (CWE)
References
- security.samsungmobile.com/securityUpdate.smsb (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-21421?
- CVE-2023-21421 is a medium-severity vulnerability in Samsung Android, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 5.9/10. Published 2023-02-09.
- How severe is CVE-2023-21421?
- Medium severity. CVSS v3 base score is 5.9 out of 10.