What is CVE-2021-39713?

CVE-2021-39713 is a high-severity vulnerability in Google Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2022-03-16.

How severe is CVE-2021-39713?

High severity. CVSS v3 base score is 7.0 out of 10.

Vulnerability in Google Android

CVE-2021-39713

Product: AndroidVersions: Android kernelAndroid ID: A-173788806References: Upstream kernel

Vulnerability class: Race Condition

Published 2022-03-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (9.8th percentile), scored 2026-10-06.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: -0.000

Affected products

Google Android
Debian Linux — versions 9.0
Android — versions Android kernel

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

source.android.com/security/bulletin/pixel/2022-03-01 (Patch, Vendor Advisory)
packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086… (Exploit, VDB Entry, Third Party Advisory)
lists.debian.org/debian-lts-announce/2022/07/msg00000.html (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-39713?: CVE-2021-39713 is a high-severity vulnerability in Google Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2022-03-16.
How severe is CVE-2021-39713?: High severity. CVSS v3 base score is 7.0 out of 10.