What’s Vulnerable › Vulnerabilities

CVE-2002-1100

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2002-10-04 · updated 2026-06-16

Description

Cisco VPN 3000 Concentrator 2.2.x, and 3.x before 3.5.3, allows remote attackers to cause a denial of service (crash) via a long (1) username or (2) password to the HTML login interface.

Affected products

• Cisco Vpn 3000 Concentrator Series Software: 2.0, 2.5.2.a, 2.5.2.b, 2.5.2.c, 2.5.2.d, 2.5.2.f (+13)
• Cisco Vpn 3002 Hardware Client: all versions

References

• http://www.cisco.com/warp/public/707/vpn3k-multiple-vuln-pub.shtml
• http://www.iss.net/security_center/static/10025.php
• http://www.securityfocus.com/bid/5617
• http://www.cisco.com/warp/public/707/vpn3k-multiple-vuln-pub.shtml
• http://www.iss.net/security_center/static/10025.php
• http://www.securityfocus.com/bid/5617

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