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.

• CWE-362

• https://support.apple.com/HT210918Release Notes, Vendor Advisory
• https://support.apple.com/HT210918Release Notes, Vendor Advisory

Published

Feb 27, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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• CVE-2020-3825Multiple memory corruption issues were addressed with improv…8.8
• CVE-2020-3826An out-of-bounds read was addressed with improved input vali…7.8
• CVE-2020-3827A memory corruption issue was addressed with improved input …7.8
• CVE-2020-3828A lock screen issue allowed access to contacts on a locked d…2.4
• CVE-2020-3829An out-of-bounds read was addressed with improved bounds che…7.8
• CVE-2020-3830A validation issue existed in the handling of symlinks. This…3.3
• CVE-2020-3833An inconsistent user interface issue was addressed with impr…4.3
• CVE-2020-3834A memory corruption issue was addressed with improved state …7.8
• CVE-2020-3835A validation issue existed in the handling of symlinks. This…4.4
• CVE-2020-3836An access issue was addressed with improved memory managemen…5.5
• CVE-2020-3837A memory corruption issue was addressed with improved memory…7.8
• CVE-2020-3838The issue was addressed with improved permissions logic. Thi…7.8