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I. Basic Information for CVE-2021-1771
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apple macOS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple macOS是美国苹果（Apple）公司的一套专为Mac计算机所开发的专用操作系统。 Apple macOS 存在安全漏洞，该漏洞源于macOS中“消息”组件内的错误访问限制而导致的。从iMessage组中删除的远程用户可以重新加入该组。以下产品或版本存在漏洞：macOS 10.3、macOS 10.12.4、macOS 10.12.5、macOS 10.12.6、macOS 10.12.6.2、macOS 10.13、macOS 10.13.1、macOS 10.13.2、macOS 10.1
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
ApplemacOS unspecified ~ 11.2 -
II. Public POCs for CVE-2021-1771
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III. Intelligence Information for CVE-2021-1771
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IV. Related Vulnerabilities
Same product: macOS
Same vendor: Apple
V. Comments for CVE-2021-1771

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