PT-2023-18188 · Samsung · Knoxcustommanagerservice

Published 2023-02-09 · Updated 2023-02-21 · CVE-2023-21421

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions KnoxCustomManagerService versions prior to SMR Jan-2023 Release 1

Description The issue is related to improper handling of insufficient permissions or privileges in the KnoxCustomManagerService, allowing an attacker to access the device SIM PIN.

Recommendations For versions prior to SMR Jan-2023 Release 1, update to the SMR Jan-2023 Release 1 or later to resolve the issue.

Fix

Improper Privilege Management

Weakness Enumeration

CWE-280

CWE-269

Related Identifiers

CVE-2023-21421

Affected Products

Knoxcustommanagerservice

References · 4

• https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=01 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-21421 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21421 · Security Note
• https://t.me/cvenotify/44750 · Telegram Post