CVE-2021-1853

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3. A local attacker may be able to elevate their privileges.

• CWE-269

• https://support.apple.com/en-us/HT212325Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT212325Release Notes, Vendor Advisory

Published

Sep 8, 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.
• 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-2021-1846Processing a maliciously crafted audio file may disclose res…5.5
• CVE-2021-1847A memory corruption issue was addressed with improved valida…7.8
• CVE-2021-1848The issue was addressed with improved UI handling. This issu…5.5
• CVE-2021-1849An issue in code signature validation was addressed with imp…7.5
• CVE-2021-1851A logic issue was addressed with improved state management. …8.8
• CVE-2021-1852An out-of-bounds read was addressed with improved input vali…5.5
• CVE-2021-1854A call termination issue with was addressed with improved lo…4.3
• CVE-2021-1855A logic issue was addressed with improved state management. …6.5
• CVE-2021-1857A memory initialization issue was addressed with improved me…6.5
• CVE-2021-1858Processing a maliciously crafted image may lead to arbitrary…7.8
• CVE-2021-1859A logic issue was addressed with improved state management. …7.5
• CVE-2021-1860A memory initialization issue was addressed with improved me…6.5