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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
VendorProductAffected 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
Fix within
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)
Severity
6.5 Medium
Exploitation
<1% chance of attack within 30 days
Timeline
Published8 Sep 2021
Updated4 Nov 2026
First seen29 Sep 2026
Sources
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