What is CVE-2021-0978?

CVE-2021-0978 is a low-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 3.3/10. Published 2021-12-15.

How severe is CVE-2021-0978?

Low severity. CVSS v3 base score is 3.3 out of 10.

Auth bypass in Google Android

CVE-2021-0978

In getSerialForPackage of DeviceIdentifiersPolicyService.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-192587406

Vulnerability class: Broken Access Control

EPSS: 0.001 (1.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

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

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security@android.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-0978?: CVE-2021-0978 is a low-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 3.3/10. Published 2021-12-15.
How severe is CVE-2021-0978?: Low severity. CVSS v3 base score is 3.3 out of 10.