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.
Vulnerable Product | Search on Vulmon | Subscribe to Product |
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apple mac os x |
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apple mac os x 10.14.6 |
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apple mac os x 10.15.7 |
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apple macos |