CVE-2020-3831
A race condition was addressed with improved locking. This issue is fixed in iOS 13.3.1 and...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-3831- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.6 High
AV:N/AC:H/Au:N/C:C/I:C/A:C - Weakness
- CWE-362
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2020-3831- Updated
- 2026-11-02
EUVDEUVD-2020-25096No score
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.
- Record
EUVD-2020-25096- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jjvh-6pgx-c757No score
A race condition was addressed with improved locking. This issue is fixed in iOS 13.3.1 and...
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.
- Record
GHSA-jjvh-6pgx-c757- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-3831 is a high vulnerability (CVSS 7.0) in Apple Ios, published February 27, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.80%, the 57th percentile. No source names a fixed version.