What is CVE-2021-0703?

CVE-2021-0703 is a medium-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 6.8/10. Published 2021-10-22.

How severe is CVE-2021-0703?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Use After Free in Google Android

CVE-2021-0703

In SecondStageMain of init.cpp, there is a possible use after free due to incorrect shared_ptr usage. This could lead to local escalation of privilege if the attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-184569329

Vulnerability class: Use-After-Free

EPSS: 0.001 (2.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 11.0
N/a Android — versions Android-11

Weakness classification (CWE)

CWE-416 — Use After Free

References

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

Frequently asked questions

What is CVE-2021-0703?: CVE-2021-0703 is a medium-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 6.8/10. Published 2021-10-22.
How severe is CVE-2021-0703?: Medium severity. CVSS v3 base score is 6.8 out of 10.