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CVE-2004-2375

HighPublished

Buffer overflow in the POP3 server in 1st Class Mail Server 4.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary...

Published: Aug 16, 2005
Updated: Aug 8, 2024
Assigning CNA: mitre
Evidence observed: Mar 2, 2004

Primary CVSS

7.5/ 10High

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS probability estimate

5.9%

Low · next 30 days

Percentile: 92.9%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Buffer overflow in the POP3 server in 1st Class Mail Server 4.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an APOP USER command with a long second parameter (digest).

Sources

1st Class Internet Solutions 1st Class Mail Server 4.0 - Remote Buffer Overflow (PoC)Exploit
JeFFOsZ · multiple · Mar 2, 2004

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