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

Published Mar 26, 2021
·
Updated

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

Other sources

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

Affected Software

52 affected components
Samsung Mobile Devices
Samsung android=8.0
Samsung android=8.1
Samsung android=9.0-smr-apr-2019-r1
Samsung android=9.0-smr-apr-2020-r1
Samsung android=9.0-smr-aug-2019-r1
Samsung android=9.0-smr-aug-2020-r1
Samsung android=9.0-smr-dec-2018-r1
Samsung android=9.0-smr-dec-2019-r1
Samsung android=9.0-smr-dec-2020-r1
Samsung android=9.0-smr-feb-2019-r1
Samsung android=9.0-smr-feb-2020-r1
Samsung android=9.0-smr-feb-2021-r1
Samsung android=9.0-smr-jan-2019-r1
Samsung android=9.0-smr-jan-2020-r1
Samsung android=9.0-smr-jan-2021-r1
Samsung android=9.0-smr-jul-2019-r1
Samsung android=9.0-smr-jul-2020-r1
Samsung android=9.0-smr-jun-2019-r1
Samsung android=9.0-smr-jun-2020-r1
Samsung android=9.0-smr-mar-2019-r1
Samsung android=9.0-smr-mar-2020-r1
Samsung android=9.0-smr-may-2019-r1
Samsung android=9.0-smr-may-2020-r1
Samsung android=9.0-smr-nov-2018-r1
Samsung android=9.0-smr-nov-2019-r1
Samsung android=9.0-smr-nov-2020-r1
Samsung android=9.0-smr-oct-2018-r1
Samsung android=9.0-smr-oct-2019-r1
Samsung android=9.0-smr-oct-2020-r1
Samsung android=9.0-smr-sep-2019-r1
Samsung android=9.0-smr-sep-2020-r1
Samsung android=10.0-smr-apr-2020-r1
Samsung android=10.0-smr-aug-2020-r1
Samsung android=10.0-smr-dec-2019-r1
Samsung android=10.0-smr-dec-2020-r1
Samsung android=10.0-smr-feb-2020-r1
Samsung android=10.0-smr-feb-2021-r1
Samsung android=10.0-smr-jan-2020-r1
Samsung android=10.0-smr-jan-2021-r1
Samsung android=10.0-smr-jul-2020-r1
Samsung android=10.0-smr-jun-2020-r1
Samsung android=10.0-smr-mar-2020-r1
Samsung android=10.0-smr-may-2020-r1
Samsung android=10.0-smr-nov-2019-r1
Samsung android=10.0-smr-nov-2020-r1
Samsung android=10.0-smr-oct-2020-r1
Samsung android=10.0-smr-sep-2020-r1
Google Android=8.0
Google Android=8.1
Google Android=9.0
Google Android=10.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Samsung mobile devices to a version that resolves this vulnerability.

    Patch SMR MAR-2021 Release 1

Event History

Mar 26, 2021
CVE Published
via MITRE·06:22 PM
Data Sourced
via MITRE·06:22 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeaknessAffected Software
Nov 8, 2022
Known Exploited
via CISA·12:00 AM

Frequently Asked Questions

1

What is the vulnerability ID of this security issue?

The vulnerability ID is CVE-2021-25369.

2

What is the title of this vulnerability?

The title of this vulnerability is 'Samsung Mobile Devices Improper Access Control Vulnerability'.

3

What is the affected software?

The affected software is Samsung mobile devices.

4

What is the impact of this vulnerability?

The vulnerability exposes sensitive kernel information to the userspace.

5

Are there any references available for this vulnerability?

Yes, you can find more information about this vulnerability in the Samsung Mobile Security Updates page.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203