low3.3
CVE-2021-1771
This issue was addressed with improved checks.
Impact
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. A user that is removed from an iMessage group could rejoin the group.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apple | Mac Os X | from 10.14 before 10.14.6 from 10.15 before 10.15.7 Versions 10.14.6, 10.15.7 |
| Apple | Macos | from 11.0 before 11.2 |