CVE-2020-3831 json
A race condition was addressed with improved locking.
published 2020-02-27 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25096
- cvss
- 7.0
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Apple iOS iOS 13.3.1 and iPadOS 13.3.1
Exploit prediction
0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.0 | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.6 | AV:N/AC:H/Au:N/C:C/I:C/A:C |
Affected products
- Apple iOS
Classification
- Weakness
-
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
References
-
support.apple.com
/HT210918
release-notes, vendor-advisory
Sources
- CVE List CVE-2020-3831
- NVD CVE-2020-3831
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