CVE-2021-0513 — HIGH (7.8) — White Hats Nepal

Vulnerability 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 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	8.1

Related Weaknesses (CWE)

CWE-862

References

https://source.android.com/security/bulletin/2021-06-01PatchVendor Advisory
https://source.android.com/security/bulletin/2021-06-01PatchVendor Advisory

FAQ

What is CVE-2021-0513?

CVE-2021-0513 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 pr...

How severe is CVE-2021-0513?

CVE-2021-0513 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-2021-0513?

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