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Vulnerability record · CVE-2002-1108 · published 4 October 2002

CVE-2002-1108: Cisco vpn client vulnerability

Cisco · Vpn Client

Cisco Virtual Private Network (VPN) Client software 2.x.x, and 3.x before 3.6(Rel), when configured with all tunnel mode, can be forced into acknowledging a TCP packet from outside the tunnel.

5.0 CVSS 2.0 Medium EPSS 1.2% · top 33.4%
5.0CVSS 2.0 base score
1.2%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 3.6(Rel), when configured with all tunnel mode, can be forced into acknowledging a TCP packet from outside the tunnel.

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

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/5651 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/10047
http://www.cisco.com/warp/public/707/vpnclient-multiple2-vuln-pub.shtml Vendor Advisory
http://www.securityfocus.com/bid/5651 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/10047

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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-2002-1108), CISA KEV, FIRST EPSS (scores of 2026-10-03). This page is refreshed as NVD updates the record.