What is the severity of CVE-2004-2621?

CVE-2004-2621 has a moderate severity level due to the potential for man-in-the-middle attacks.

How do I fix CVE-2004-2621?

To mitigate CVE-2004-2621, update the Nortel Contivity VPN Client to a patched version that addresses the certificate check issue.

What platforms are affected by CVE-2004-2621?

CVE-2004-2621 affects versions 2.1.7, 3.00, 3.01, 4.91, and 5.01 of the Nortel Contivity VPN Client.

What type of attack is facilitated by CVE-2004-2621?

CVE-2004-2621 facilitates a man-in-the-middle (MITM) attack due to the improper timing of certificate validation.

Is CVE-2004-2621 still a concern for current VPN usage?

While CVE-2004-2621 is an older vulnerability, it remains a concern for users running affected versions of the Nortel Contivity VPN Client.

Vulnerability/
CVE-2004-2621

medium

CWE

NVD-CWE-Other 362

31/12/2004

4/12/2005

8/8/2024

CVE-2004-2621: Race Condition

First published: Fri Dec 31 2004(Updated: )

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.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Nortel Contivity	=3.01
Nortel Contivity	=3.00
Nortel Contivity	=2.1.7
Nortel Contivity	=4.91
Nortel Contivity	=5.01

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2004-2621?
CVE-2004-2621 has a moderate severity level due to the potential for man-in-the-middle attacks.
How do I fix CVE-2004-2621?
To mitigate CVE-2004-2621, update the Nortel Contivity VPN Client to a patched version that addresses the certificate check issue.
What platforms are affected by CVE-2004-2621?
CVE-2004-2621 affects versions 2.1.7, 3.00, 3.01, 4.91, and 5.01 of the Nortel Contivity VPN Client.
What type of attack is facilitated by CVE-2004-2621?
CVE-2004-2621 facilitates a man-in-the-middle (MITM) attack due to the improper timing of certificate validation.
Is CVE-2004-2621 still a concern for current VPN usage?
While CVE-2004-2621 is an older vulnerability, it remains a concern for users running affected versions of the Nortel Contivity VPN Client.

collector/nvd-historical
collector/nvd-index
agent/references
agent/type
agent/softwarecombine
agent/first-publish-date
collector/mitre-cve
source/MITRE
agent/severity
agent/last-modified-date
agent/weakness
agent/author
agent/tags
agent/description
agent/event
agent/source
vendor/nortel
canonical/nortel contivity
version/nortel contivity/3.01
version/nortel contivity/3.00
version/nortel contivity/2.1.7
version/nortel contivity/4.91
version/nortel contivity/5.01

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Frequently Asked Questions

What is the severity of CVE-2004-2621?
CVE-2004-2621 has a moderate severity level due to the potential for man-in-the-middle attacks.
How do I fix CVE-2004-2621?
To mitigate CVE-2004-2621, update the Nortel Contivity VPN Client to a patched version that addresses the certificate check issue.
What platforms are affected by CVE-2004-2621?
CVE-2004-2621 affects versions 2.1.7, 3.00, 3.01, 4.91, and 5.01 of the Nortel Contivity VPN Client.
What type of attack is facilitated by CVE-2004-2621?
CVE-2004-2621 facilitates a man-in-the-middle (MITM) attack due to the improper timing of certificate validation.
Is CVE-2004-2621 still a concern for current VPN usage?
While CVE-2004-2621 is an older vulnerability, it remains a concern for users running affected versions of the Nortel Contivity VPN Client.