CVE-2021-25337: Samsung Mobile Devices Improper Access Control Vulnerability

Published Mar 4, 2021
·
Updated

Improper access control in clipboard service in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows untrusted applications to read or write certain local files.

Other sources

Samsung mobile devices contain an improper access control vulnerability in clipboard service which allows untrusted applications to read or write arbitrary files. This vulnerability was chained with CVE-2021-25369 and CVE-2021-25370.

CISA

Affected Software

52 affected components
Samsung Mobile Devices
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
Samsung android=11.0-smr-dec-2020-r1
Samsung android=11.0-smr-feb-2021-r1
Samsung android=11.0-smr-jan-2021-r1
Google Android=9.0
Google Android=10.0
Google Android=11.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Samsung mobile devices (Android clipboard service) to a version that resolves this vulnerability.

    Patch SMR Mar-2021 Release 1

Event History

Mar 4, 2021
CVE Published
via MITRE·08:59 PM
Data Sourced
via MITRE·08:59 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software
Nov 8, 2022
Known Exploited
via CISA·12:00 AM

Frequently Asked Questions

1

What is CVE-2021-25337?

CVE-2021-25337 is an improper access control vulnerability in Samsung mobile devices' clipboard service that allows untrusted applications to read or write arbitrary files.

2

How does CVE-2021-25337 impact Samsung mobile devices?

CVE-2021-25337 allows untrusted applications to access and modify files on Samsung mobile devices through the clipboard service.

3

What other vulnerabilities are CVE-2021-25337 chained with?

CVE-2021-25337 was chained with CVE-2021-25369 and CVE-2021-25370.

4

How can I mitigate CVE-2021-25337 on my Samsung mobile device?

Apply the security update provided by Samsung to fix CVE-2021-25337.

5

Where can I find more information about CVE-2021-25337?

You can find more information about CVE-2021-25337 on the Samsung Mobile Security website.

Contact

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