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Fencer Vulns
critical 10.0

CVE-2000-0343 json

Buffer overflow in Sniffit 0.3.x with the -L logging option enabled allows remote attackers to execute arbitrary commands via a long MAIL F…

published 2000-05-02 26 y ago modified 2026-06-16 4 mo ago also EUVD-2000-0342

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
3
Exploit-DB

Summary

Buffer overflow in Sniffit 0.3.x with the -L logging option enabled allows remote attackers to execute arbitrary commands via a long MAIL FROM mail header.

Timeline

  1. First public exploit (EDB-19887)
  2. Published

Exploit prediction

5.60% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-19888 Brecht Claerhout Sniffit 0.3.6 HIP/0.3.7 Beta - Mail Logging Buffer Overflow (3) remote, 2002-01-18
  • EDB-19887 Brecht Claerhout Sniffit 0.3.6 HIP/0.3.7 Beta - Mail Logging Buffer Overflow (2) remote, 2000-05-02
  • EDB-19886 Brecht Claerhout Sniffit 0.3.6 HIP/0.3.7 Beta - Mail Logging Buffer Overflow (1) remote, 2000-05-02
  • securityfocus.com http://www.securityfocus.com/bid/1158 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.