CVE-2021-0331 describes a local escalation of privilege vulnerability in Android versions 8.1 through 11, stemming from an insecure default value in the NotificationAccessConfirmationActivity.java component. This flaw could enable an overlay attack, granting an attacker notification access with user execution privileges. Exploitation requires user interaction, but if successful, it carries a high CVSS score of 7.3 due to high impacts on confidentiality, integrity, and availability. There is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and the vulnerability shows no signs of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
8.1CPE matchmatch criteria | cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:* | ||
11.0CPE matchmatch criteria | cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.