What is CVE-2021-0686?

CVE-2021-0686 is a medium-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 5.5/10. Published 2021-10-06.

How severe is CVE-2021-0686?

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

Auth bypass in Google Android

CVE-2021-0686

In getDefaultSmsPackage of RoleManagerService.java, there is a possible way to get information about the default sms app of a different device user due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-177927831

Vulnerability class: Broken Access Control

EPSS: 0.001 (1.2th 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 10.0, 11.0
N/a Android — versions Android-11 Android-10

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

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

Frequently asked questions

What is CVE-2021-0686?: CVE-2021-0686 is a medium-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 5.5/10. Published 2021-10-06.
How severe is CVE-2021-0686?: Medium severity. CVSS v3 base score is 5.5 out of 10.