CVE-2021-1771
published 2021-04-02CVE-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
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | mac_os_x | — | — |
| apple | mac_os_x | — | — |
| apple | mac_os_x | >= 10.14 < 10.14.6 | 10.14.6 |
| apple | mac_os_x | >= 10.15 < 10.15.7 | 10.15.7 |
| apple | macos | >= 11.0 < 11.2 | 11.2 |
| apple | macos | >= unspecified < 11.2 | 11.2 |
| apple | macos_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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Apple
CVE-2021-1771: macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave
vendor_apple·2021-02-01·CVSS 3.3
CVE-2021-1771 [LOW] CVE-2021-1771: macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave
Apple Security Update: About the security content of macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave
Product: macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave
CVE: CVE-2021-1771
Component: Messages
Impact: A user that is removed from an iMessage group could rejoin the group
Description: This issue was addressed with improved checks.
GHSA
GHSA-cv82-wvv8-3jrx: This issue was addressed with improved checks
ghsa_unreviewed·2022-05-24
CVE-2021-1771 [MEDIUM] GHSA-cv82-wvv8-3jrx: This issue was addressed with improved checks
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-04-02
Published