CVE:CVE-2021-1740
CNNVD:CNNVD-202104-1992
Apple tvOS是美国苹果（Apple）公司的一套智能电视操作系统。
tvOS 存在路径遍历漏洞，该漏洞源于目录路径验证不足。以下产品及版本受到影响：tvOS: 14.0 18J386, 14.0.1 18J400, 14.0.2 18J411, 14.2 18K57, 14.3 18K561, 14.4 18K802, 14.5 18L204   。
solution:Upgrade apple ipados to a higher version than 14.5,and avoid the version (,14.5); Upgrade apple iphone_os to a higher version than 14.5,and avoid the version (,14.5); Upgrade apple mac_os_x to a higher version than 10.15.5,10.15.6,10.15.6:supplemental_update,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:supplemental_update,and avoid the version [10.15,10.15.5],10.15.6,10.15.6:supplemental_update,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:supplemental_update; Upgrade apple macos to a higher version than 11.3,and avoid the version [11.0,11.3); Upgrade apple tvos to a higher version than 14.5,and avoid the version (,14.5); Upgrade apple watchos to a higher version than 7.4,and avoid the version (,7.4)