NUMail developed by Green-Computing has an OS Command Injection vulnerability. Unauthenticated remote attackers can inject arbitrary OS commands and execute them on the server.Referenceshttps://www.twcert.org.tw/tw/cp-132-11144-45c6a-1.htmlhttps://www.twcert.org.tw/en/cp-139-11145-5361d-2.html