What is CVE-2021-1030?

CVE-2021-1030 is a medium-severity vulnerability in Google Android, classified under Observable Discrepancy. CVSS score: 5.5/10. Published 2021-12-15.

How severe is CVE-2021-1030?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Google Android

CVE-2021-1030

In setNotificationsShownFromListener of NotificationManagerService.java, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-194697001

EPSS: 0.001 (1.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

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

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

security@android.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-1030?: CVE-2021-1030 is a medium-severity vulnerability in Google Android, classified under Observable Discrepancy. CVSS score: 5.5/10. Published 2021-12-15.
How severe is CVE-2021-1030?: Medium severity. CVSS v3 base score is 5.5 out of 10.