CVE-2002-1108

Cisco VPN Client 2.x.x and 3.x < 3.6(Rel) - TCP Packet Acknowledgment Spoofing

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/10047
Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/5651
Vendor Advisory vendor-advisory x_refsource_cisco
http://www.cisco.com/warp/public/707/vpnclient-multiple2-vuln-pub.shtml

Scores

EPSS 0.0118
EPSS Percentile 64.5%

Details

Status published
Products (6)
cisco/vpn_client 2.0
cisco/vpn_client 3.0
cisco/vpn_client 3.0.5
cisco/vpn_client 3.1
cisco/vpn_client 3.5.1 (4 CPE variants)
cisco/vpn_client 3.5.1c
Published Oct 04, 2002
Tracked Since Feb 18, 2026