CVE-2023-21421 | BDVDB-2026-195036 Detail

SamsungSamsung Mobile Devices

Description#

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

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact low. Attack vector: local.

Weaknesses#

CWE-280 Improper Handling of Insufficient Permissions or Privileges

References#

https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=01

Exploit#

No public exploit known

History#

Version 12023-02-09Record published in the CVE List.
Version 22025-03-24Most recent update recorded in the CVE List.

Published

Published: 2023-02-09
Last modified: 2025-03-24

Vendor information

Vendor: Samsung
Product: Samsung Mobile Devices

All Samsung vulnerabilities

Score

5.9 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 4.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= Q(10), R(11), S(12), T(13) and < SMR Jan-2023 Release 1
Fixed
SMR Jan-2023 Release 1

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.9 Medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	Low
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).