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6.5
CVE-2021-30783: An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. A sandboxed process m...
CVE-2021-30783 · published 5 years ago
Summary
An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. A sandboxed process may be able to circumvent sandbox restrictions.
What to do
- Update apple macos to version 11.5 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, < 11.5 cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
Original advisory text
An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. A sandboxed process m...
An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. A sandboxed process may be able to circumvent sandbox restrictions.
References
- http://seclists.org/fulldisclosure/2021/Sep/40 Mailing List Third Party Advisory
- https://support.apple.com/en-us/HT212600 Release Notes Vendor Advisory
- https://support.apple.com/en-us/HT212602 Release Notes Vendor Advisory
- https://support.apple.com/en-us/HT212603 Release Notes Vendor Advisory
- https://support.apple.com/kb/HT212805 Vendor Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Timeline
Published8 Sep 2021
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2021-30783 · NVD
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