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.

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.

EPSS: 0.002 (5.3th percentile) — read the EPSS interpretation.

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.

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)

CWE-280 — Improper Handling of Insufficient Permissions or Privileges
CWE-269 — Improper Privilege Management

References

mobile.security@samsung.com (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.