CVE-2021-39791 — MEDIUM (5.5)

Vulnerability Description

In WallpaperManagerService, 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 with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-194112606

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Google	Android	12.1

Related Weaknesses (CWE)

CWE-203

References

https://source.android.com/security/bulletin/android-12lVendor Advisory
https://source.android.com/security/bulletin/android-12lVendor Advisory

FAQ

What is CVE-2021-39791?

CVE-2021-39791 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In WallpaperManagerService, 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 informatio...

How severe is CVE-2021-39791?

CVE-2021-39791 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-39791?

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