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Fencer Vulns
critical 10.0

CVE-2000-0971 json

Avirt Mail 4.0 and 4.2 allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long "RCPT TO" or…

published 2000-11-29 25 y ago modified 2026-09-23 46 d ago also EUVD-2000-0958

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.6%
EPSS 5.6% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

Avirt Mail 4.0 and 4.2 allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long "RCPT TO" or "MAIL FROM" command.

Timeline

  1. First public exploit (EDB-20311)
  2. Published

Exploit prediction

5.58% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-20311 Avirt Mail 4.0/4.2 - 'Mail From:' / 'Rcpt to:' Denial of Service dos, 2000-10-23
  • archives.neohapsis.com http://archives.neohapsis.com/archives/bugtraq/2000-10/0301.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

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.