CVE-2004-2621

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.

4.0

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 0.32%

Vendor Advisory secunia.com

Affected: n/a n/a

References

Link	Tags
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	vdb entry
http://www.securityfocus.com/bid/11495	vdb entry
http://www.osvdb.org/11002	vdb entry
http://secunia.com/advisories/12881	third party advisory vendor advisory
http://securitytracker.com/id?1011846	vdb entry

Frequently Asked Questions

What is the severity of CVE-2004-2621?: CVE-2004-2621 has been scored as a medium severity vulnerability.
How to fix CVE-2004-2621?: To fix CVE-2004-2621, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2004-2621 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2004-2621 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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