CVE:CVE-2021-30756
CNNVD:CNNVD-202109-388
Apple iOS等都是美国苹果（Apple）公司的产品。Apple iOS是一套为移动设备所开发的操作系统。Apple iPadOS是一套用于iPad平板电脑的操作系统。Apple macOS Big Sur是一个手机应用APP。
Apple 多款产品存在安全漏洞，该漏洞源于软件中播放的隐私权限存在问题。本地攻击者可利用该漏洞可以从锁定屏幕上查看“正在播放”信息。以下产品和版本受到影响：Apple iOS,Apple iPadOS,Apple macOS Big Sur
solution:Upgrade apple ipados to a higher version than 14.6,and avoid the version (,14.6); Upgrade apple iphone_os to a higher version than 14.6,and avoid the version (,14.6); Upgrade apple macos to a higher version than 11.4,and avoid the version [11.0,11.4)