Skip to content
Fencer Vulns
critical 10.0

CVE-1999-0492 json

The ffingerd 1.19 allows remote attackers to identify users on the target system based on its responses.

published 1999-04-23 27 y ago modified 2026-06-16 4 mo ago also EUVD-1999-0491

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.4%
EPSS 9.4% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

The ffingerd 1.19 allows remote attackers to identify users on the target system based on its responses.

Timeline

  1. Published
  2. First public exploit (EDB-20327)

Exploit prediction

9.36% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-20327 GNU Ffingerd 1.19 - 'Username' Validity Disclosure remote, 1999-08-23

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.