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CVE-2021-30716: A logic 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 privilege...
CVE-2021-30716 · published 5 years ago
Summary
A logic 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 perform denial of service.
What to do
- Update apple macos to version 11.4 or later.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| apple | mac_os_x |
>= 10.14, <= 10.14.5 >= 10.15, <= 10.15.6 10.14.6 10.15.7 cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* |
| apple | macos |
>= 11.0, < 11.4 cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
Original advisory text
A logic 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 privilege...
A logic 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 perform denial of service.
References
- https://support.apple.com/en-us/HT212529 Release Notes Vendor Advisory
- https://support.apple.com/en-us/HT212530 Release Notes Vendor Advisory
- https://support.apple.com/en-us/HT212531 Release Notes Vendor Advisory
Internet-facing
14 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically (estimated)
- Gives an attacker partial control (estimated)
Timeline
Published8 Sep 2021
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2021-30716 · NVD
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