Nmap NSE: SMTP Open Relay High Medium Low Network Vulnerabilities Nmap NSE Nmap NSE: SMTP Open Relay SummaryThis script attempts to check if a SMTP server is vulnerable to mail relaying. This is a wrapper on the Nmap Security Scanner's (http://nmap.org) smtp-open-relay.nse Severity Classification CVSS Base Score: 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P Related Vulnerabilities Nmap NSE 6.01: realvnc-auth-bypassNmap NSE 6.01: http-malware-hostNmap NSE: IIS WebDAV VulnerabilityNmap NSE: POP3 BruteNmap NSE 6.01: smb-check-vulns