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Status published
Medium
CVE-2004-2621
Nortel Contivity VPN Client 2.1.7, 3.00, 3.01, 4.91, and 5.01,...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www130.nortelnetworks.com/cgi-bin/eserv/cs/main.jsp?level=6&category=8&subcategory=6&subtype=&DocumentOID=276620&RenditionID=REND159588
- https://exchange.xforce.ibmcloud.com/vulnerabilities/17812
- http://www.securityfocus.com/bid/11495
- http://www.osvdb.org/11002
- http://secunia.com/advisories/12881
- http://securitytracker.com/id?1011846
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Affected Vendor
nortel
View all reports →Affected Software
contivity
Vulnerable Versions:
2.1.7, 3.00, 3.01, 4.91, 5.01
Timeline
Official Publish:
December 4th, 2005
Last Modified:
August 8th, 2024
Added to House:
July 18th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.