CVE-2004-2621

Published: Dec 31, 2004Modified: Apr 16, 2026

4.0

Vector

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

Exploitability: 4.9 / Impact: 4.9

Source: 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.

Affected (5)

Products: Nortel: Contivity

1 product

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Nortel Contivity	Version 2.1.7
Nortel Contivity	Version 3.00
Nortel Contivity	Version 3.01
Nortel Contivity	Version 4.91
Nortel Contivity	Version 5.01

References (12)

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

Timeline

No history available yet.