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Fencer Vulns
critical 10.0

CVE-2000-0091 in the critical feed json

Buffer overflow in vchkpw/vpopmail POP authentication package allows remote attackers to gain root privileges via a long username or passwo…

published 2000-01-21 26 y ago modified 2026-06-16 4 mo ago also EUVD-2000-0090

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.9%
EPSS 12.9% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

Buffer overflow in vchkpw/vpopmail POP authentication package allows remote attackers to gain root privileges via a long username or password.

Timeline

  1. First public exploit (EDB-19727)
  2. Published

Exploit prediction

12.87% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-19727 Inter7 vpopmail (vchkpw) 3.4.11 - Local Buffer Overflow local, 2000-01-21

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.