Strix
26.1K

CVE-2004-2621

UnknownEPSS 0.75%

Last modified

CVE-2004-2621 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.75%

50.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
NortelContivity2.1.7
NortelContivity3.00
NortelContivity3.01
NortelContivity4.91
NortelContivity5.01

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2004-2621?
Severity scoring for CVE-2004-2621 is pending analysis. The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.
How do I fix CVE-2004-2621?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2004-2621?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST