CVE-2020-9923

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 13.6 and iPadOS 13.6, watchOS 6.2.8. A malicious application may be able to execute arbitrary code with system privileges.

• CWE-787

• https://support.apple.com/HT211288Release Notes, Vendor Advisory
• https://support.apple.com/HT211291Release Notes, Vendor Advisory
• https://support.apple.com/HT211288Release Notes, Vendor Advisory
• https://support.apple.com/HT211291Release Notes, Vendor Advisory

Published

Oct 16, 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.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2020-9917This issue was addressed with improved checks. This issue is…7.5
• CVE-2020-9918An out-of-bounds read was addressed with improved input vali…9.8
• CVE-2020-9919A buffer overflow issue was addressed with improved memory h…7.8
• CVE-2020-9920A path handling issue was addressed with improved validation…9.1
• CVE-2020-9921A memory corruption issue was addressed with improved memory…7
• CVE-2020-9922A logic issue was addressed with improved state management. …6.5
• CVE-2020-9924A logic issue was addressed with improved state management. …7.5
• CVE-2020-9925A logic issue was addressed with improved state management. …6.1
• CVE-2020-9926A use after free issue was addressed with improved memory ma…7.8
• CVE-2020-9927A memory corruption issue was addressed with improved input …7.8
• CVE-2020-9928Multiple memory corruption issues were addressed with improv…7.8
• CVE-2020-9929A memory corruption issue was addressed with improved memory…7.1