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CVE-2021-0734

5.5 · MEDIUM

In Settings, there is a possible way to determine whether an app is installed without query permissions, due to side channel information disclosure.

Published Aug 11, 2022CWE-668EPSS 0.10%

Overview

CVE-2021-0734 is a medium-severity vulnerability. It was published on August 11, 2022 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In Settings, there is a possible way to determine whether an app is installed without query permissions, due to side channel information disclosure. This could lead to local information disclosure of an installed package, without proper query permissions, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-189122911

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

Refsource.android.com/security/bulletin/android-13Refsource.android.com/security/bulletin/android-13

How CyberStrike helps

Frequently asked questions

What is CVE-2021-0734?

CVE-2021-0734 is a medium-severity vulnerability. It was published on August 11, 2022 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2021-0734?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-0734?

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-2021-0734?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-0734 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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