Vulnerability Report

CVE-2000-0570

Title: FirstClass long To: header causes denial of service

DoS

Proof Of Concept

PoC Available for CVE-2000-0570

CWE Category NVD-CWE-noinfo

Published Date Jun 27, 2000

Modified Date Jun 16, 2026

Exploit Status Available

Score 5.0 CVSS v2.0

Exploit Probability (EPSS)

3.14%

Vulnerability Summary

CVE-2000-0570: FirstClass Internet Services server 5.770, and other versions before 6.1, allows remote attackers to cause a denial of service by sending an email with a long To: mail header.

Impacted Vendors

centrinity 1

Reference Links

http://archives.neohapsis.com/archives/bugtraq/2000-06/0295.html http://www.osvdb.org/5718 http://www.securityfocus.com/bid/1421 https://exchange.xforce.ibmcloud.com/vulnerabilities/4843 http://archives.neohapsis.com/archives/bugtraq/2000-06/0295.html http://www.osvdb.org/5718 http://www.securityfocus.com/bid/1421 https://exchange.xforce.ibmcloud.com/vulnerabilities/4843

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2000-0570 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/20052

View Code

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 03, 2025 MODIFIED

Vulnerability data or affected products updated.

June 27, 2000 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.