CVE-2004-2621

MediumCVSS 4.0/10Last modified Jun 16, 2026

Description

Nortel Contivity VPN Client 2.1.7, 3.00, 3.01, 4.91, and 5.01, when opening a VPN tunnel, does not check the gateway certificate until after a dialog box has been displayed to the user, which creates a race condition that allows remote attackers to perform a man-in-the-middle (MITM) attack.

Metrics

CVSS 2.0 4.0/10AV:N/AC:H/Au:N/C:P/I:P/A:N

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

Timeline

Published: Dec 31, 2004
Last modified: Jun 16, 2026
NVD status: Modified

Related CVEs from 2004

CVE-2004-262210.0AClient.exe in Altiris Deployment Solution 6.x and 5.x does not require authentication from the first Deployment Server that it connects to,CVE-2004-262310.0Unknown vulnerability in Rippy the Aggregator before 0.10, when register_globals is enabled, has unknown attack vectors and impact, possibly CVE-2004-26244.3Cross-site scripting (XSS) vulnerability in "TextSearch" in WackoWiki 3.5 allows remote attackers to inject arbitrary web script or HTML via CVE-2004-26255.1Cross-site scripting (XSS) vulnerability in Outblaze Email allows remote attackers to inject arbitrary web script or HTML via Javascript in CVE-2004-26263.7GUI overlay vulnerability in the Java API in Siemens S55 cellular phones allows remote attackers to send unauthorized SMS messages by overla CVE-2004-262710.0Java 2 Micro Edition (J2ME) does not properly validate bytecode, which allows remote attackers to escape the Kilobyte Virtual Machine (KVM) CVE-2004-26285.0Multiple directory traversal vulnerabilities in thttpd 2.07 beta 0.4, when running on Windows, allow remote attackers to read arbitrary file CVE-2004-26297.8Multiple vulnerabilities in the H.323 protocol implementation for First Virtual Communications Click to Meet Express (when used with H.323 c CVE-2004-26307.5The MIME transformation system (transformations/text_plain__external.inc.php) in phpMyAdmin 2.5.0 up to 2.6.0-pl1 allows remote attackers to CVE-2004-26317.5Eval injection vulnerability in left.php in phpMyAdmin 2.5.1 up to 2.5.7, when LeftFrameLight is FALSE, allows remote attackers to execute a CVE-2004-26327.5phpMyAdmin 2.5.1 up to 2.5.7 allows remote attackers to modify configuration settings and gain unauthorized access to MySQL servers via modi CVE-2004-26335.1Unspecified vulnerability in Sesamie 1.0 allows remote anonymous attackers to gain access to repositories of other users via unknown vectors