What is CVE-2021-39659?

CVE-2021-39659 is a medium-severity vulnerability in Google Android, classified under Improper Handling of Exceptional Conditions. CVSS score: 5.5/10. Published 2022-01-14.

How severe is CVE-2021-39659?

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

Is CVE-2021-39659 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Google Android

CVE-2021-39659

In sortSimPhoneAccountsForEmergency of CreateConnectionProcessor.java, there is a possible prevention of access to emergency calling due to an unhandled exception. In rare instances, this could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-208267659

EPSS: 0.001 (1.4th 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:N/I:N/A:H.

Affected products

Google Android — versions 10.0, 11.0, 12.0
N/a Android — versions Android-10 Android-11 Android-12

Weakness classification (CWE)

CWE-755 — Improper Handling of Exceptional Conditions

Public proof-of-concept exploits

References

security@android.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-39659?: CVE-2021-39659 is a medium-severity vulnerability in Google Android, classified under Improper Handling of Exceptional Conditions. CVSS score: 5.5/10. Published 2022-01-14.
How severe is CVE-2021-39659?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-39659 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.