CVE:CVE-2021-1849
CNNVD:CNNVD-202104-1975
Apple watchOS是美国苹果（Apple）公司的一套智能手表操作系统。
watchOS 存在数据伪造问题漏洞，该漏洞源于AppleMobileFileIntegrity组件中的签名验证不当。以下产品及版本受到影响：watchOS: 7.0 18R382, 7.0.1 18R395, 7.0.2 18R402, 7.0.3 18R410, 7.1 18R590, 7.2 18S564, 7.3 18S801, 7.3.1 18S811, 7.3.2 18S821, 7.3.3 18S830   。
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 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)