← Vulnerability feed

Vulnerability record · CVE-2000-0556 · published 5 June 2000

CVE-2000-0556: Computalynx cmail vulnerability

CComputalynx · Cmail

Buffer overflow in the web interface for Cmail 2.4.7 allows remote attackers to cause a denial of service by sending a large user name to the user dialog running on port 8002.

5.0 CVSS 2.0 Medium EPSS 1.9% · top 21.4%
5.0CVSS 2.0 base score
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

Buffer overflow in the web interface for Cmail 2.4.7 allows remote attackers to cause a denial of service by sending a large user name to the user dialog running on port 8002.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/ntbugtraq/2000-q2/0248.html PatchVendor Advisory
http://www.computalynx.net/news/Jun2000/news0806200001.html
http://www.securityfocus.com/bid/1319 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/4625
http://archives.neohapsis.com/archives/ntbugtraq/2000-q2/0248.html PatchVendor Advisory
http://www.computalynx.net/news/Jun2000/news0806200001.html
http://www.securityfocus.com/bid/1319 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/4625

Track CVE-2000-0556 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2000-0557Computalynx cmail vulnerabilityBuffer overflow in the web interface for Cmail 2.4.7 allows remote attackers to execute arbitrary commands via a long GET request.EPSS 4.3%10.0CVE-1999-1521Computalynx cmail vulnerabilityComputalynx CMail 2.4 and CMail 2.3 SP2 SMTP servers are vulnerable to a buffer overflow attack in the MAIL FROM command that may allow a remote atta…EPSS 8.1%7.5CVE-2001-0742Computalynx cmail vulnerabilityBuffer overflow in Computalynx CMail POP3 mail server 2.4.9 allows remote attackers to run arbitrary code via a long HELO command.EPSS 1.4%

Source: NIST National Vulnerability Database (record CVE-2000-0556), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.