CVE-2023-21421

high-risk
Published 2023-02-09

Improper Handling of Insufficient Permissions or Privileges vulnerability in KnoxCustomManagerService prior to SMR Jan-2023 Release 1 allows attacker to access device SIM PIN.

Do I need to act?

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0.03% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
LOCAL / LOW complexity

Affected Vendors

51
/ 100
high-risk
Severity 19/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 32/34 · Critical