CVE-2021-30717
Last modified
CVE-2021-30717 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. EPSS estimates a 1.96% chance of exploitation in the next 30 days.
Description
A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. An attacker in a privileged network position may be able to execute arbitrary code.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Mac Os X | >= 10.14, <= 10.14.5 |
| Apple | Mac Os X | >= 10.15, <= 10.15.6 |
| Apple | Mac Os X | 10.14.6 |
| Apple | Mac Os X | 10.15.7 |
| Apple | Macos | >= 11.0, < 11.4 |
References
- https://support.apple.com/en-us/HT212529Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212530Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212531Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212529Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212530Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212531Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- 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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