What is CVE-2021-39621?

CVE-2021-39621 is a high-severity vulnerability in Google Android, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2022-01-14.

How severe is CVE-2021-39621?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Google Android

CVE-2021-39621

In sendLegacyVoicemailNotification of LegacyModeSmsHandler.java, there is a possible permissions bypass due to an unsafe PendingIntent. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-185126319

EPSS: 0.001 (2.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 9.0, 10.0, 11.0
N/a Android — versions Android-10 Android-11 Android-12 Android-9

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

security@android.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-39621?: CVE-2021-39621 is a high-severity vulnerability in Google Android, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2022-01-14.
How severe is CVE-2021-39621?: High severity. CVSS v3 base score is 7.8 out of 10.