CVE-2021-25369

MEDIUM6.2

CISA KEV

Published 2021-03-26 · Updated 2026-06-17 · Source mobile.security@samsung.com

Summary

CVE-2021-25369 is a medium-severity (CVSS 6.2) vulnerability in Samsung Mobile Devices. CISA added it to the Known Exploited Vulnerabilities catalog on November 8, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by November 29, 2022. CISA does not currently list it as used in ransomware campaigns. Samsung has 15 vulnerabilities in the KEV catalog, 0 of them linked to ransomware.

All 15 known-exploited Samsung vulnerabilities →

Description

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

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

CWE-200

CISA Known-Exploited Vulnerability

Product: Samsung — Mobile Devices

Name: Samsung Mobile Devices Improper Access Control Vulnerability

Date added: 2022-11-08 · Due: 2022-11-29

Required action: Apply updates per vendor instructions.

References

View on NVD

More exploited Samsung vulnerabilities

Most recently added to CISA KEV

CVE-2024-7399
MagicINFO 9 Server — Samsung MagicINFO 9 Server Path Traversal Vulnerability
added 2026-04-24
CVE-2025-21042
Mobile Devices — Samsung Mobile Devices Out-of-Bounds Write Vulnerability
added 2025-11-10
CVE-2025-21043
Mobile Devices — Samsung Mobile Devices Out-of-Bounds Write Vulnerability
added 2025-10-02
CVE-2025-4632
MagicINFO 9 Server — Samsung MagicINFO 9 Server Path Traversal Vulnerability
added 2025-05-22
CVE-2022-22265
Mobile Devices — Samsung Mobile Devices Use-After-Free Vulnerability
added 2023-09-18
CVE-2021-25487
Mobile Devices — Samsung Mobile Devices Out-of-Bounds Read Vulnerability
added 2023-06-29

View all →

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