CVE-2021-25369 Samsung Mobile Devices Improper Access Control Vulnerability

Active exploitation observed

· CISA KEV catalogue

Required action Apply updates per vendor instructions.

Ransomware campaigns Not observed so far

Weakness CWE-200

Description

An improper access control vulnerability in sec_log file prior to SMR MAR-2021 Release 1 exposes sensitive kernel information to userspace.

Affected products and versions

Product	Affected versions	Fixed in
Samsung Mobile Devices	Versions not published

Other CVEs of Samsung Mobile Devices

The 866 CVEs of Samsung Mobile Devices →

CVE-2026-21126 Improper input validation in getting cover image in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1… 6.9 Medium CVE-2026-21125 Improper input validation in parsing sheifd in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1… 8.6 High CVE-2026-21124 Improper input validation in getting cover image in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1… 8.6 High CVE-2026-21123 Improper privilege management in Locksettings prior to SMR Oct-2026 Release 1 allows local privileged attackers with… 6.7 Medium