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CVE-2025-21035

4.6 · MEDIUM

Improper access control in Samsung Calendar prior to version 12.5.06.5 in Android 14 and 12.6.01.12 in Android 15 allows physical attackers to access data across multiple user profiles.

Published Sep 3, 2025EPSS 0.22%

Overview

CVE-2025-21035 is a medium-severity vulnerability. It was published on September 3, 2025 and has a CVSS 3.1 base score of 4.6 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Improper access control in Samsung Calendar prior to version 12.5.06.5 in Android 14 and 12.6.01.12 in Android 15 allows physical attackers to access data across multiple user profiles.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refsecurity.samsungmobile.com/serviceWeb.smsb?year=2025&month=09

How CyberStrike helps

Frequently asked questions

What is CVE-2025-21035?

CVE-2025-21035 is a medium-severity vulnerability. It was published on September 3, 2025 and has a CVSS 3.1 base score of 4.6 (MEDIUM).

How severe is CVE-2025-21035?

This vulnerability has a CVSS 3.1 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-21035?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-21035?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-21035 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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