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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.001 (1.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Google Android — versions 12.0
- Android — versions Android-12
Weakness classification (CWE)
References
- source.android.com/security/bulletin/pixel/2021-12-01 (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.