CVE-2021-39663 — HIGH (7.8)

Vulnerability Description

In openFileAndEnforcePathPermissionsHelper of MediaProvider.java, there is a possible bypass of a permissions check due to a confused deputy. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-200682135

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	10.0

Related Weaknesses (CWE)

CWE-610

References

https://source.android.com/security/bulletin/2022-02-01Vendor Advisory
https://source.android.com/security/bulletin/2022-02-01Vendor Advisory

FAQ

What is CVE-2021-39663?

CVE-2021-39663 is a vulnerability with a CVSS score of 7.8 (HIGH). In openFileAndEnforcePathPermissionsHelper of MediaProvider.java, there is a possible bypass of a permissions check due to a confused deputy. This could lead to local escalation of privilege with User...

How severe is CVE-2021-39663?

CVE-2021-39663 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-39663?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android.