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Vulnerability record · CVE-2000-0557 · published 5 June 2000

CVE-2000-0557: Computalynx cmail vulnerability

CComputalynx · Cmail

Buffer overflow in the web interface for Cmail 2.4.7 allows remote attackers to execute arbitrary commands via a long GET request.

10.0 CVSS 2.0 High EPSS 4.3% · top 9.1%
10.0CVSS 2.0 base score
4.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Buffer overflow in the web interface for Cmail 2.4.7 allows remote attackers to execute arbitrary commands via a long GET request.

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

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 ExploitPatchVendor Advisory
http://www.securityfocus.com/bid/1318 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/4626
http://archives.neohapsis.com/archives/ntbugtraq/2000-q2/0248.html ExploitPatchVendor Advisory
http://www.securityfocus.com/bid/1318 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/4626

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Related vulnerabilities

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

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%5.0CVE-2000-0556Computalynx cmail vulnerabilityBuffer 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 di…EPSS 1.9%

Source: NIST National Vulnerability Database (record CVE-2000-0557), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.