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CISA KEV · Known exploitedMedium

CVE-2021-25369

Samsung Mobile Devices

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

CVSS
5.5
EPSS
1.12%
63.0% percentile
CISA KEV
Listed
Published
2021.03.27
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability1.12%
Technical severityCVSS 5.5

Vulnerability overview

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

Affected product and versions

Product
Samsung Mobile Devices
Affected versions
O(8.x), P(9.0), Q(10.0), 8.0, 8.1, 9.0, 10.0
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply updates per vendor instructions.

Due date: 2022.11.29
  1. 1
    Identify

    Confirm that Samsung Mobile Devices and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
CWE-200
KEV added
2022.11.08
Ransomware use
미확인
CVE-2021-25369 — Samsung Mobile Devices | SECUFOCUS NOW