What is CVE-2020-3831?

CVE-2020-3831 is a high-severity vulnerability in Apple iOS, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2020-02-27.

How severe is CVE-2020-3831?

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

Vulnerability in Apple iOS

CVE-2020-3831

A race condition was addressed with improved locking. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1. An application may be able to execute arbitrary code with kernel privileges.

Vulnerability class: Race Condition

EPSS: 0.008 (52.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Apple Ios — versions unspecified
Apple Ipados
Apple Iphone_os

Weakness classification (CWE)

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

References

product-security@apple.com (x_refsource_MISC, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3831?: CVE-2020-3831 is a high-severity vulnerability in Apple iOS, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2020-02-27.
How severe is CVE-2020-3831?: High severity. CVSS v3 base score is 7.0 out of 10.