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Fencer Vulns
medium 5.0

CVE-2002-1790 json

The SMTP service in Microsoft Internet Information Services (IIS) 4.0 and 5.0 allows remote attackers to bypass anti-relaying rules and sen…

published 2002-12-31 23 y ago modified 2026-06-16 4 mo ago also EUVD-2002-1769

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
34.0%
EPSS 34.0% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB

Summary

The SMTP service in Microsoft Internet Information Services (IIS) 4.0 and 5.0 allows remote attackers to bypass anti-relaying rules and send spam or spoofed messages via encapsulated SMTP addresses, a similar vulnerability to CVE-1999-0682.

Patch / fix

Timeline

  1. First public exploit (EDB-21613)
  2. Published

Exploit prediction

33.97% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-21613 Microsoft IIS 4.0/5.0 - SMTP Service Encapsulated SMTP Address (MS99-027) remote, 2002-07-12
  • securityfocus.com http://www.securityfocus.com/bid/5213 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.