CVE-2004-2621 Race condition in n/a
A race condition in the Nortel Contivity VPN Client allows remote attackers to perform man-in-the-middle attacks by bypassing certificate validation during tunnel establishment.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2004-2621?
CVE-2004-2621 is a medium-severity vulnerability in n/a, published on 4 Dec 2005. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Which versions are affected by CVE-2004-2621?
It affects 1 product.
Products include Nortel Contivity.
How do I fix CVE-2004-2621?
No fix has been published for CVE-2004-2621 yet. Limit exposure of the affected software until one is available.
Is CVE-2004-2621 being exploited?
There is no known exploitation of CVE-2004-2621 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-8f69-wvhw-fqc8.