What is CVE-2021-1020?

CVE-2021-1020 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.3/10. Published 2021-12-15.

How severe is CVE-2021-1020?

High severity. CVSS v3 base score is 7.3 out of 10.

Improper input validation in Google Android

CVE-2021-1020

In snoozeNotification of NotificationListenerService.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-195111725

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.001 (2.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 12.0
N/a Android — versions Android-12

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security@android.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-1020?: CVE-2021-1020 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.3/10. Published 2021-12-15.
How severe is CVE-2021-1020?: High severity. CVSS v3 base score is 7.3 out of 10.