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Vulnerability record · CVE-2002-1104 · published 4 October 2002

CVE-2002-1104: Cisco vpn client vulnerability

Cisco · Vpn Client

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).

5.0 CVSS 2.0 Medium EPSS 1.6% · top 24.8%
5.0CVSS 2.0 base score
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

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).

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.cisco.com/warp/public/707/vpnclient-multiple2-vuln-pub.shtml Vendor Advisory
http://www.securityfocus.com/bid/5649 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/10042
http://www.cisco.com/warp/public/707/vpnclient-multiple2-vuln-pub.shtml Vendor Advisory
http://www.securityfocus.com/bid/5649 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/10042

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2002-1104), CISA KEV, FIRST EPSS (scores of 2026-10-03). This page is refreshed as NVD updates the record.