What is CVE-2021-1023?

CVE-2021-1023 is a medium-severity vulnerability in Google Android, classified under Information Disclosure. CVSS score: 5.0/10. Published 2021-12-15.

How severe is CVE-2021-1023?

Medium severity. CVSS v3 base score is 5.0 out of 10.

Information disclosure in Google Android

CVE-2021-1023

In onCreate of RequestIgnoreBatteryOptimizations.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 needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-195963373

Vulnerability class: Information Disclosure

EPSS: 0.001 (1.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/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-200 — Information Disclosure

References

security@android.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-1023?: CVE-2021-1023 is a medium-severity vulnerability in Google Android, classified under Information Disclosure. CVSS score: 5.0/10. Published 2021-12-15.
How severe is CVE-2021-1023?: Medium severity. CVSS v3 base score is 5.0 out of 10.