TI-2004-02246 Aliases CVE-2004-2375 GHSA-rhqm-2p68-x8qr

Buffer overflow in the POP3 server in 1st Class Mail Server 4.0 allows remote attackers…

MEDIUM 42Published 2005-08-16 · Updated 2024-08-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: Partial · Partial · Partial
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

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).

Why it matters now

EPSS 0.05864 93rd percentileScored 2026-11-07

Public exploit Yes 2 exploit referencesTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:1st_class_internet_solutions:1st_class_mail_server:4.0:::::::*	4.0	Vulnerable	1st Class Internet Solutions

cpe:2.3:a:1st_class_internet_solutions:1st_class_mail_server:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·1st Class Internet Solutions

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2004-2375
2026-10-03 Alias added: GHSA-rhqm-2p68-x8qr

References

Exploit 2

Other 1

4129

TI-2004-02316 Directory traversal vulnerability in 1st Class Mail Server 4.01 allows remote attackers… CVSS 2.0MEDIUM 5.0
TI-2004-02317 Cross-site scripting (XSS) vulnerability in 1st Class Mail Server 4.01 allows remote… CVSS 2.0MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences