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.

7.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.03%

Vendor Advisory android.com

Affected: n/a Android

References

Link	Tags
https://source.android.com/security/bulletin/2021-01-01	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-0307?: CVE-2021-0307 has been scored as a high severity vulnerability.
How to fix CVE-2021-0307?: To fix CVE-2021-0307, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-0307 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-0307 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-0307?: CVE-2021-0307 affects n/a Android.

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