THREATPORT/VULNERABILITY/CVE-1999-0404
HIGH SEVERITY

CVE-1999-0404

Mailmax vulnerability

CVSS
7.5
EPSS
9.8%
EPSS pct
95th
Exploited
No known
Buffer overflow in the Mail-Max SMTP server for Windows systems allows remote command execution.
Affected vendor
Smartmax Software
Affected product
Mailmax
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published
1999-02-14

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 9.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-1999-0404

  • Confirm whether Smartmax Software Mailmax is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-1999-0404.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-1999-0404

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-1999-0404 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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