cbcvebase.
CVE-2021-1771
published 2021-04-02

CVE-2021-1771: 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…

PriorityP49low3.3CVSS 3.1
AVLACLPRNUIRSUCNILAN
EPSS
0.55%
42.7th percentile
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

7 ranges
VendorProductVersion rangeFixed in
applemac_os_x
applemac_os_x
applemac_os_x>= 10.14 < 10.14.610.14.6
applemac_os_x>= 10.15 < 10.15.710.15.7
applemacos>= 11.0 < 11.211.2
applemacos>= unspecified < 11.211.2
applemacos_big_sur_11.2_security_update_2021-001_catalina_security_update_2021-001_mo

CVSS provenance

nvdv3.13.3LOWCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
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