CVE-2021-30870

A logic issue existed in the handling of document loads. This issue was addressed with improved state management. This issue is fixed in iOS 15 and iPadOS 15. Previewing an html file attached to a note may unexpectedly contact remote servers.

• https://support.apple.com/en-us/HT212814
• https://support.apple.com/en-us/HT212814

Published

Aug 24, 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-2021-30864A logic issue was addressed with improved state management. …8.6
• CVE-2021-30865An out-of-bounds read was addressed with improved input vali…7.8
• CVE-2021-30866A user privacy issue was addressed by removing the broadcast…6.5
• CVE-2021-30867The issue was addressed with improved authentication. This i…5.5
• CVE-2021-30868A race condition was addressed with improved locking. This i…7
• CVE-2021-30869A type confusion issue was addressed with improved state han…7.8
• CVE-2021-30871This issue was addressed with a new entitlement. This issue …5.5
• CVE-2021-30872Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
• CVE-2021-30873A logic issue was addressed with improved state management. …7.8
• CVE-2021-30874An authorization issue was addressed with improved state man…7.5
• CVE-2021-30875A lock screen issue allowed access to contacts on a locked d…3.3
• CVE-2021-30876An out-of-bounds read was addressed with improved bounds che…7.1