← Vulnerability feed

Vulnerability record · CVE-2000-0840 · published 14 November 2000

CVE-2000-0840: Davide libenzi xmail vulnerability

DDavide Libenzi · Xmail

Buffer overflow in XMail POP3 server before version 0.59 allows remote attackers to execute arbitrary commands via a long USER command.

10.0 CVSS 2.0 High EPSS 5.4% · top 7.6%
10.0CVSS 2.0 base score
5.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

Buffer overflow in XMail POP3 server before version 0.59 allows remote attackers to execute arbitrary commands via a long USER command.

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/bugtraq/2000-09/0001.html PatchVendor Advisory
http://www.securityfocus.com/bid/1652 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/5192
http://archives.neohapsis.com/archives/bugtraq/2000-09/0001.html PatchVendor Advisory
http://www.securityfocus.com/bid/1652 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/5192

Track CVE-2000-0840 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-2001-0192Davide libenzi xmail vulnerabilityBuffer overflows in CTRLServer in XMail allows attackers to execute arbitrary commands via the cfgfileget or domaindel functions.EPSS 8.1%10.0CVE-2000-0841Davide libenzi xmail vulnerabilityBuffer overflow in XMail POP3 server before version 0.59 allows remote attackers to execute arbitrary commands via a long APOP command.EPSS 3.8%7.5CVE-2005-2943Davide libenzi xmail vulnerabilityStack-based buffer overflow in sendmail in XMail before 1.22 allows remote attackers to execute arbitrary code via a long -t command line option.EPSS 15%

Source: NIST National Vulnerability Database (record CVE-2000-0840), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.