High severity7.8NVD Advisory· Published Jan 11, 2021· Updated Jun 17, 2026
CVE-2021-0307
CVE-2021-0307
Description
In updatePermissionSourcePackage of PermissionManagerService.java, there is a possible automatic runtime permission grant due to a confused deputy. This could lead to local escalation of privilege allowing a malicious app to silently gain access to a dangerous permission with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-10, Android-11; Android ID: A-155648771.
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Affected products
2- Android/Androiddescription
Patches
Vulnerability mechanics
References
1- source.android.com/security/bulletin/2021-01-01nvdVendor Advisory
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