CVE-2021-1779

A logic error in kext loading was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. An application may be able to execute arbitrary code with system privileges.

• https://support.apple.com/en-us/HT212147Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT212147Release Notes, Vendor Advisory

Published

Apr 2, 2021

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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• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2021-1773A logic issue was addressed with improved state management. …5.5
• CVE-2021-1774This issue was addressed with improved checks. This issue is…7.8
• CVE-2021-1775This issue was addressed by removing the vulnerable code. Th…7.8
• CVE-2021-1776An out-of-bounds write issue was addressed with improved bou…7.8
• CVE-2021-1777This issue was addressed with improved checks. This issue is…7.8
• CVE-2021-1778An out-of-bounds read issue existed in the curl. This issue …5.5
• CVE-2021-1780A memory initialization issue was addressed with improved me…4.4
• CVE-2021-1781A privacy issue existed in the handling of Contact cards. Th…5.5
• CVE-2021-1782A race condition was addressed with improved locking. This i…7
• CVE-2021-1783An access issue was addressed with improved memory managemen…7.8
• CVE-2021-1784A permissions issue existed in DiskArbitration. This was add…7.5
• CVE-2021-1785An out-of-bounds read was addressed with improved input vali…7.8