CVE-2021-1021

Name: CVE-2021-1021
Creator: NVD / NIST
Published: 2021-12-15T19:15:14.017+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 0.12%

Last modified Jun 17, 2026

CVE-2021-1021 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. In snoozeNotificationInt of NotificationManagerService.java, there is a possible way to disable notification for an arbitrary user due to improper input validation. This could lead to local escalation of privilege with User execution privileges needed. EPSS estimates a 0.12% chance of exploitation in the next 30 days.

Description

In snoozeNotificationInt of NotificationManagerService.java, there is a possible way to disable notification for an arbitrary user due to improper input validation. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-195031703

Metrics

CVSS 3.1

7.3/10

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

EPSS Probability

0.12%

2.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Google	Android	12.0

References

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

Timeline

Published: Dec 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-1021?

How severe is CVE-2021-1021?

CVE-2021-1021 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.

How do I fix CVE-2021-1021?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-1021?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST