SecurEnvoy SecurMail before 9.2.501 allows remote authenticated users to read arbitrary e-mail messages via the option1 parameter in a reply action to secmail/getmessage.exe.Referenceshttp://seclists.org/fulldisclosure/2018/Mar/29https://www.sec-consult.com/en/blog/advisories/multiple-critical-vulnerabilities-in-securenvoy-securmail/index.htmlhttps://www.exploit-db.com/exploits/44285/