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Fencer Vulns
medium 5.5

CVE-2000-1198 json

qpopper POP server creates lock files with predictable names, which allows local users to cause a denial of service for other users (lack o…

published 2001-08-31 25 y ago modified 2026-06-16 4 mo ago also EUVD-2000-1183

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 28%
public exploits
1
Exploit-DB

Summary

qpopper POP server creates lock files with predictable names, which allows local users to cause a denial of service for other users (lack of mail access) by creating lock files for other mail boxes.

Timeline

  1. First public exploit (EDB-19869)
  2. Published

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-19869 Qualcomm qpopper 2.53/3.0 / RedHat imap 4.5 -4 / UoW imap 4.5 popd - Lock File Denial of Service dos, 2000-04-19

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

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.