The CM Backup -Restore,Cloud,Photo (aka com.ijinshan.kbackup) application 1.1.0.135 for Android does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

The CM Browser - Fast & Secure (aka com.ksmobile.cb) application 5.0.50 for Android does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Cheetah Mobile Armorfly Browser & Downloader 1.1.05.0010, when installed on unspecified "older" Android platforms, allows Same Origin Policy Bypass.

Cheetah Mobile CM Browser 5.22.06.0012, when installed on unspecified "older" Android platforms, allows Same Origin Policy Bypass.

Cheetahmobile CM Launcher 3D - Theme, wallpaper, Secure, Efficient, 5.0.3, 2017-09-19, Android application uses a hard-coded key for encryption

Cheetahmobile CM Launcher 3D - Theme, wallpaper, Secure, Efficient, 5.0.3, 2017-09-19, Android application uses a hard-coded key for encryption. Data stored using this key can be decrypted by anyone able to access this key.