Vulnerability Report

CVE-2004-2621

Title: Nortel Contivity VPN Client man-in-the-middle

Man-in-the-middle

Proof Of Concept

No public PoC currently indexed for CVE-2004-2621.

CWE Category NVD-CWE-noinfo
Published Date Dec 31, 2004
Modified Date Apr 03, 2025
Exploit Status Not Found
Score 4.0 CVSS v2.0
Exploit Probability (EPSS)
0.32%

Vulnerability Summary

CVE-2004-2621: 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.

Impacted Vendors

N
nortel 1

Reference Links

http://secunia.com/advisories/12881 http://securitytracker.com/id?1011846 http://www.osvdb.org/11002 http://www.securityfocus.com/bid/11495 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://secunia.com/advisories/12881 http://securitytracker.com/id?1011846 http://www.osvdb.org/11002 http://www.securityfocus.com/bid/11495 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
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:H/Au:N/C:P/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2004-2621 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A
Complexity N/A
Privileges N/A
Interaction NONE
CVSS Vector String AV:N/AC:H/Au:N/C:P/I:P/A:N

Affected Stack

No specific products linked.