CVE Catalog
CVE-1999-0512
HighExploitation Probability (EPSS)
Very high risk12.24%
96th percentile - higher than 96% of all known CVEs
Summary
The mail server is configured to allow SMTP mail relay, which can be exploited by spammers.
Risk Assessment
Allowing SMTP relay poses a risk that the mail server will be used to send unsolicited messages, potentially leading to the server's IP address being blacklisted by internet service providers.
Recommendation
It is recommended to disable SMTP relay for unauthorized users and configure the mail server to limit the potential for abuse.
Original NVD description (English source)
A mail server is explicitly configured to allow SMTP mail relay, which allows abuse by spammers.

