Dell Unity, version(s) 5.4 and prior, contain(s) an URL Redirection to Untrusted Site ('Open Redirect') vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to a targeted application user being redirected to arbitrary web URLs. The vulnerability could be leveraged by attackers to conduct phishing attacks that cause users to divulge sensitive information. Exploitation may allow for session theft.