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Vulnerability record · CVE-2018-3815 · published 8 January 2018

CVE-2018-3815: Stalker communigate pro improper authentication vulnerability

Stalker · Communigate Pro

The "XML Interface to Messaging, Scheduling, and Signaling" (XIMSS) protocol implementation in CommuniGate Pro (CGP) 6.2 suffers from a Missing XIMSS Protocol Validation attack that leads to an email spoofing attack, allowing a malicious authenticated attacker to send a message from any source email address. The attack uses an HTTP POST request to a /Session URI, and interchanges the XML From and To elements.

5.7 CVSS 3.0 Medium EPSS 0.89% · top 42.2% CWE-287 · Improper authentication
5.7CVSS 3.0 base score, v2 3.5
0.89%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The "XML Interface to Messaging, Scheduling, and Signaling" (XIMSS) protocol implementation in CommuniGate Pro (CGP) 6.2 suffers from a Missing XIMSS Protocol Validation attack that leads to an email spoofing attack, allowing a malicious authenticated attacker to send a message from any source email address. The attack uses an HTTP POST request to a /Session URI, and interchanges the XML From and To elements.

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N

Affected products

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

References

LinkTags
https://packetstormsecurity.com/files/145724/communigatepro62-spoof ExploitThird Party AdvisoryVDB Entry
https://packetstormsecurity.com/files/145724/communigatepro62-spoof ExploitThird Party AdvisoryVDB Entry

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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%5.0CVE-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-2000-1002Stalker communigate pro vulnerabilityPOP3 daemon in Stalker CommuniGate Pro 3.3.2 generates different error messages for invalid usernames versus invalid passwords, which allows remote a…EPSS 7.5%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-2018-3815), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.