CVE:CVE-2021-30871
CNNVD:CNNVD-202108-1959
Apple macOS Big Sur是美国苹果（Apple）公司的一个手机应用APP。
Apple 多款产品存在安全漏洞，本地攻击者可利用该漏洞访问分析数据。这个问题已经在ios14.7, watchOS 7.6, macOS Big Sur 11.5中修复。
solution:Upgrade apple iphone_os to a higher version than 14.7,and avoid the version (,14.7); Upgrade apple macos to a higher version than 11.5,and avoid the version (,11.5); Upgrade apple watchos to a higher version than 7.6,and avoid the version (,7.6)