CVE-2002-1104: Medium severity Cisco VPN Client vulnerability

Published Oct 4, 2002
·
Updated

Cisco Virtual Private Network (VPN) Client software 2.x.x and 3.x before 3.0.5 allows remote attackers to cause a denial of service (crash) via TCP packets with source and destination ports of 137 (NETBIOS).

Affected Software

2 affected components
Cisco VPN Client=3.0
Cisco VPN Client=2.0

Event History

Oct 4, 2002
CVE Published
04:00 AM
Sep 1, 2004
CVE Published
via MITRE·08:00 AM
Data Sourced
via MITRE·08:00 AM
Description
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2002-1104?

CVE-2002-1104 has a severity rating of high due to its potential to cause a denial of service.

2

How do I fix CVE-2002-1104?

To fix CVE-2002-1104, upgrade the Cisco VPN Client software to version 3.0.5 or later.

3

Who is affected by CVE-2002-1104?

CVE-2002-1104 affects users running Cisco VPN Client versions 2.x.x and 3.x up to 3.0.4 on Windows.

4

What type of attack does CVE-2002-1104 allow?

CVE-2002-1104 allows remote attackers to cause a denial of service by sending malicious TCP packets.

5

What is the context of CVE-2002-1104?

CVE-2002-1104 is specifically related to vulnerabilities in Cisco VPN Client that can lead to crashes when certain TCP packets are received.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203