CVE:CVE-2021-30729
CNNVD:CNNVD-202105-1527
Apple iPadOS是美国苹果（Apple）公司的一套用于iPad平板电脑的操作系统。
Apple iPadOS 存在代码问题漏洞，该漏洞源于CommCenter组件的登录问题造成的。设备可能接受无效的激活结果，这反过来可能导致拒绝服务。远程攻击者可利用该漏洞执行DoS攻击。以下产品及版本受到影响：iPadOS: 14.0 18A373, 14.0.1 18A393, 14.1 18A8395, 14.2 18B92, 14.2 18B111, 14.3 18C66, 14.4 18D52, 14.4.1 18D61, 14.4.2 18D70, 14.5 18E199, 14.5.1 18E212。
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)
solution:Upgrade apple ipados to a higher version than 15.2,and avoid the version (,15.2); Upgrade apple iphone_os to a higher version than 15.2,and avoid the version (,15.2); Upgrade apple mac_os_x to a higher version than 10.15.7,10.15.7:security_update_2020,10.15.7:security_update_2020-001,10.15.7:security_update_2020-005,10.15.7:security_update_2020-007,10.15.7:security_update_2021-001,10.15.7:security_update_2021-002,10.15.7:security_update_2021-003,10.15.7:security_update_2021-006,10.15.7:security_update_2021-007,and avoid the version [10.15,10.15.7],10.15.7:security_update_2020,10.15.7:security_update_2020-001,10.15.7:security_update_2020-005,10.15.7:security_update_2020-007,10.15.7:security_update_2021-001,10.15.7:security_update_2021-002,10.15.7:security_update_2021-003,10.15.7:security_update_2021-006,10.15.7:security_update_2021-007; Upgrade apple macos to a higher version than 11.6.2,12.1,and avoid the version [11.0,11.6.2),[12.0,12.1); Upgrade apple tvos to a higher version than 15.2,and avoid the version (,15.2); Upgrade apple watchos to a higher version than 8.3,and avoid the version (,8.3)