CVE-2021-1771

EPSS 0.5%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

02 Apr 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Apple · macOS

References

https://support.apple.com/en-us/HT212147