CVE-2021-0513
In deleteNotificationChannel and related functions of NotificationManagerService.java, there is a possible permission bypass due to improper state validation.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In deleteNotificationChannel and related functions of NotificationManagerService.java, there is a possible permission bypass due to improper state validation. This could lead to local escalation of privilege via hidden services with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-156090809
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.20% probability · 10th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-862
- Affected
- google/android
- Source
- security@android.com
References
- https://source.android.com/security/bulletin/2021-06-01Patch, Vendor Advisory
- https://source.android.com/security/bulletin/2021-06-01Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.