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Fencer Vulns
critical 10.0

CVE-2002-0423 json

Buffer overflow in efingerd 1.5 and earlier, and possibly up to 1.61, allows remote attackers to cause a denial of service and possibly exe…

published 2002-08-12 24 y ago modified 2026-06-16 4 mo ago also EUVD-2002-0420

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.3%
EPSS 5.3% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Buffer overflow in efingerd 1.5 and earlier, and possibly up to 1.61, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a finger request from an IP address with a long hostname that is obtained via a reverse DNS lookup.

Patch / fix

Exploit prediction

5.33% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

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.