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Vulnerability record · CVE-2000-1002 · published 11 December 2000

CVE-2000-1002: Stalker communigate pro vulnerability

Stalker · Communigate Pro

POP3 daemon in Stalker CommuniGate Pro 3.3.2 generates different error messages for invalid usernames versus invalid passwords, which allows remote attackers to determine valid email addresses on the server for SPAM attacks.

5.0 CVSS 2.0 Medium EPSS 7.5% · top 5.7%
5.0CVSS 2.0 base score
7.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
23 Sep 2026Last modified by NVD

Description

POP3 daemon in Stalker CommuniGate Pro 3.3.2 generates different error messages for invalid usernames versus invalid passwords, which allows remote attackers to determine valid email addresses on the server for SPAM attacks.

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

Affected products

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

References

LinkTags
http://www.securityfocus.com/archive/1/139523 Vendor Advisory
http://www.securityfocus.com/bid/1792 ExploitVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/5363
http://www.securityfocus.com/archive/1/139523 Vendor Advisory
http://www.securityfocus.com/bid/1792 ExploitVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/5363

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Related vulnerabilities

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

7.5CVE-2006-0468Stalker communigate pro vulnerabilityCommuniGate Pro Core Server before 5.0.7 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via LDAP me…EPSS 11%5.8CVE-2003-1481Stalker communigate pro information exposure vulnerabilityCommuniGate Pro 3.1 through 4.0.6 sends the session ID in the referer field for an HTTP request for an image, which allows remote attackers to hijack…EPSS 1.8%5.7CVE-2018-3815Stalker communigate pro improper authentication vulnerabilityThe "XML Interface to Messaging, Scheduling, and Signaling" (XIMSS) protocol implementation in CommuniGate Pro (CGP) 6.2 suffers from a Missing XIMSS…EPSS 0.89%5.0CVE-2005-1007Stalker communigate pro vulnerabilityUnknown vulnerability in the LIST functionality in CommuniGate Pro before 4.3c3 allows remote attackers to cause a denial of service (server crash) v…EPSS 2.5%5.0CVE-2002-2375Stalker communigate pro path traversal vulnerabilityDirectory traversal vulnerability in CommuniGate Pro 4.0b4 and possibly earlier versions allows remote attackers to list the contents of the WebUser …EPSS 1.5%5.0CVE-2000-0634Stalker communigate pro vulnerabilityThe web administration interface for CommuniGate Pro 3.2.5 and earlier allows remote attackers to read arbitrary files via a .. (dot dot) attack.EPSS 7.9%5.0CVE-1999-0865Stalker communigate pro vulnerabilityBuffer overflow in CommuniGatePro via a long string to the HTTP configuration port.EPSS 1.5%4.3CVE-2007-2718Microsoft internet explorer vulnerabilityCross-site scripting (XSS) vulnerability in the WebMail system in Stalker CommuniGate Pro 5.1.8 and earlier, when using Microsoft Internet Explorer, …EPSS 16%

Source: NIST National Vulnerability Database (record CVE-2000-1002), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.