Biscom Secure File Transfer (SFT) before 5.1.1082 and 6.x before 6.0.1011 allows user credential theft.

Biscom Secure File Transfer (SFT) before 5.1.1071 and 6.0.1xxx before 6.0.1005 allows Remote Code Execution on the server.

Biscom Secure File Transfer (SFT) 5.0.1050 through 5.1.1067 and 6.0.1000 through 6.0.1003 allows Insecure Direct Object Reference (IDOR) by an authenticated sender because of an error in a file-upload feature. This is fixed in 5.1.1068 and 6.0.1004.

Biscom Secure File Transfer (SFT) 5.0.1000 through 5.0.1048 does not validate the dataFieldId value, and uses sequential numbers, which allows remote authenticated users to overwrite or read files via crafted requests. Version 5.0.1050 contains the fix.

Biscom Secure File Transfer is vulnerable to cross-site scripting in the File Name field. An authenticated user with permissions to upload or send files can populate this field with a filename that contains standard HTML scripting tags. The resulting script will evaluated by any other authenticated user who views the attacker-supplied file name. All versions of SFT prior to 5.1.1028 are affected. The fix version is 5.1.1028.

Biscom Secure File Transfer is vulnerable to AngularJS expression injection in the Display Name field. An authenticated user can populate this field with a valid AngularJS expression, wrapped in double curly-braces ({{ }}). This expression will be evaluated by any other authenticated user who views the attacker's display name. Affected versions are 5.0.0000 through 5.1.1026. The Issue is fixed in 5.1.1028.

Biscom Secure File Transfer versions 5.0.0.0 trough 5.1.1024 are vulnerable to post-authentication persistent cross-site scripting (XSS) in the "Name" and "Description" fields of a Workspace, as well as the "Description" field of a File Details pane of a file stored in a Workspace. This issue has been resolved in version 5.1.1025.