CVE-2004-2621

N/A Unknown
Published: December 31, 2004 Modified: April 16, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://secunia.com/advisories/12881
Source: cve@mitre.org
Vendor Advisory
http://securitytracker.com/id?1011846
Source: cve@mitre.org
http://www.osvdb.org/11002
Source: cve@mitre.org
http://www.securityfocus.com/bid/11495
Source: cve@mitre.org
http://www130.nortelnetworks.com/cgi-bin/eserv/cs/main.jsp?level=6&category=8&subcategory=6&subtype=&DocumentOID=276620&RenditionID=REND159588
Source: cve@mitre.org
https://exchange.xforce.ibmcloud.com/vulnerabilities/17812
Source: cve@mitre.org
http://secunia.com/advisories/12881
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://securitytracker.com/id?1011846
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.osvdb.org/11002
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/11495
Source: af854a3a-2127-422b-91ae-364da2661108
http://www130.nortelnetworks.com/cgi-bin/eserv/cs/main.jsp?level=6&category=8&subcategory=6&subtype=&DocumentOID=276620&RenditionID=REND159588
Source: af854a3a-2127-422b-91ae-364da2661108
https://exchange.xforce.ibmcloud.com/vulnerabilities/17812
Source: af854a3a-2127-422b-91ae-364da2661108

12 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.3%
55th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

nortel