RVTools, Version 3.9.2 and above, contain a sensitive data exposure vulnerability in the password encryption utility (RVToolsPasswordEncryption.exe) and main application (RVTools.exe). A remote unauthenticated attacker with access to stored encrypted passwords from a users' system could potentially exploit this vulnerability, leading to the disclosure of encrypted passwords in clear text. This vulnerability is caused by an incomplete fix for CVE-2020-27688.

RVToolsPasswordEncryption.exe in RVTools 4.0.6 allows users to encrypt passwords to be used in the configuration files. This encryption used a static IV and key, and thus using the Decrypt() method from VISKD.cs from the RVTools.exe executable allows for decrypting the encrypted passwords. The accounts used in the configuration files have access to vSphere instances.