CVE-2021-25369

Name: CVE-2021-25369
Creator: NVD / NIST
Published: 2021-03-26T19:15:12.04+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10Actively ExploitedEPSS 1.12%

Last modified Jun 17, 2026

CVE-2021-25369 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An improper access control vulnerability in sec_log file prior to SMR MAR-2021 Release 1 exposes sensitive kernel information to userspace.. CISA has confirmed active exploitation in the wild. EPSS estimates a 1.12% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

1.12%

62.1th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Nov 29, 2022.

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions	Update
Samsung	Android	8.0	—
Samsung	Android	8.1	—
Samsung	Android	9.0	Smr-Apr-2019-R1
Samsung	Android	10.0	Smr-Apr-2020-R1

References

https://security.samsungmobile.comVendor Advisory
https://security.samsungmobile.com/securityUpdate.smsbVendor Advisory
https://security.samsungmobile.comVendor Advisory
https://security.samsungmobile.com/securityUpdate.smsbVendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25369US Government Resource

Timeline

Published: Mar 26, 2021
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-25369?

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

How severe is CVE-2021-25369?

CVE-2021-25369 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.12% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2021-25369?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-25369?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST