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Vulnerabilities

Vulnerability · CVE-2021-25369

Samsung Mobile Devices Improper Access Control Vulnerability

Published Dec 10, 2020 · catalog updated Jun 16, 2026 · Samsung Mobile Devices

Patch now

CVE-2021-25369 is in the CISA known-exploited catalog, due Nov 29, 2022. Confirm Samsung Mobile Devices against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Medium5.5
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
1.08%
Remediation
Remediation guidance
Affected products
cpe samsung/android · vendor Samsung Mobile Devices

Samsung mobile devices using Mali GPU contains an improper access control vulnerability in sec_log file. Exploitation of the vulnerability exposes sensitive kernel information to the userspace. This vulnerability was chained with CVE-2021-25337 and CVE-2021-25370.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe samsung/android8.0
  • cpe samsung/android8.1
  • cpe samsung/android9.0
  • vendor Samsung Mobile Devicesversion unspecified

How to fix CVE-2021-25369

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2021-25369 is in the CISA known-exploited catalog, due Nov 29, 2022. Confirm Samsung Mobile Devices against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with 8.0, 8.1, 9.0. Apply updates per vendor instructions.

What should an analyst verify?

CWE-200: Exposure of Sensitive Information. EPSS 1.08%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 26, 2021 · Catalog

    Detected

    Samsung mobile devices using Mali GPU contains an improper access control vulnerability in sec_log file. Exploitation of the vulnerability exposes sensitive kernel information to the userspace. This vulnerability was chained with CVE-2021-25337 and CVE-2021-25370.

  2. Nov 8, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Nov 29, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    Samsung mobile devices using Mali GPU contains an improper access control vulnerability in sec_log file. Exploitation of the vulnerability exposes sensitive kernel information to the userspace. This vulnerability was chained with CVE-2021-25337 and CVE-2021-25370.

Sources

  • CISA KEVConfirmed exploitationCVE-2021-25369

    Samsung mobile devices using Mali GPU contains an improper access control vulnerability in sec_log file. Exploitation of the vulnerability exposes sensitive kernel information to the userspace. This vulnerability was chained with CVE-2021-25337 and CVE-2021-25370.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2021-25369

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-25369

    30-day exploitation probability 1.1%

    first.org
  • NIST NVDVulnerability recordCVE-2021-25369

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

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2021-25369

    Samsung mobile devices using Mali GPU contains an improper access control vulnerability in sec_log file. Exploitation of the vulnerability exposes sensitive kernel information to the userspace. This vulnerability was chained with CVE-2021-25337 and CVE-2021-25370.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.