TI-2001-00616 Aliases CVE-2001-0631 GHSA-4g2c-h3mq-5rv5

Centrinity First Class Internet Services 5.50 allows for the circumventing of the default…

LOW 26Published 2002-03-09 · 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: None · Partial · None
Fix status: No fix listed

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

Summary

Centrinity First Class Internet Services 5.50 allows for the circumventing of the default 'spam' filters via the presence of '<@>' in the 'From:' field, which allows remote attackers to send spoofed email with the identity of local users.

Why it matters now

EPSS 0.01456 73rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged 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:opentext:firstclass:5.50:::::::*	5.50	Vulnerable	OpenText

cpe:2.3:a:opentext:firstclass:5.50:*:*:*:*:*:*:* Versions 5.50 Vulnerable ·OpenText

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2001-0631
2026-10-03 Alias added: GHSA-4g2c-h3mq-5rv5

References

Exploit 1

20010221 FirstClass Internetgateway "stupidity"

Advisory 1

20010226 Re: [Fwd: FirstClass Internetgateway "stupidity"]

TI-2007-02882 Centrinity FirstClass 8.3 and earlier, and Server and Internet Services 8.0 and earlier… CVSS 2.0MEDIUM 4.3

Sources

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