CVE-2021-1013

5.5 mediumEPSS 0.1%

In checkExistsAndEnforceCannotModifyImmutablyRestrictedPermission of PermissionManagerService.java, 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-12Android ID: A-186404356

Severity

CVSS 3.1

5.5 medium

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

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 1% of CVEs (scores of 2026-10-31)
CWE: CWE-203
Published: 2021-12-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

google:android

References

https://source.android.com/security/bulletin/pixel/2021-12-01
https://source.android.com/security/bulletin/pixel/2021-12-01

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