CVE-2021-30887

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. Processing maliciously crafted web content may lead to unexpectedly unenforced Content Security Policy.

• http://www.openwall.com/lists/oss-security/2021/12/20/6
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EQVZ3CEMTINLBZ7PBC7WRXVEVCRHNSM/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQKWD4BXRDD2YGR5AVU7H5J5PIQIEU6V/
• https://support.apple.com/en-us/HT212867
• https://support.apple.com/en-us/HT212869
• https://support.apple.com/en-us/HT212874
• https://support.apple.com/en-us/HT212876
• https://www.debian.org/security/2021/dsa-5030
• https://www.debian.org/security/2021/dsa-5031
• http://www.openwall.com/lists/oss-security/2021/12/20/6
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EQVZ3CEMTINLBZ7PBC7WRXVEVCRHNSM/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQKWD4BXRDD2YGR5AVU7H5J5PIQIEU6V/
• https://support.apple.com/en-us/HT212867
• https://support.apple.com/en-us/HT212869
• https://support.apple.com/en-us/HT212874
• https://support.apple.com/en-us/HT212876
• https://www.debian.org/security/2021/dsa-5030
• https://www.debian.org/security/2021/dsa-5031

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.

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