What’s Vulnerable › Vulnerabilities

CVE-2002-0853

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2002-09-05 · updated 2026-06-16

Description

Cisco Virtual Private Network (VPN) Client 3.5.4 and earlier allows remote attackers to cause a denial of service (CPU consumption) via a packet with a zero-length payload.

Affected products

• Cisco Vpn Client: 3.5.1, 3.5.2

References

• http://www.cisco.com/warp/public/707/vpnclient-multiple-vuln-pub.shtml
• http://www.iss.net/security_center/static/9821.php
• http://www.kb.cert.org/vuls/id/287771
• http://www.securityfocus.com/bid/5440
• http://www.cisco.com/warp/public/707/vpnclient-multiple-vuln-pub.shtml
• http://www.iss.net/security_center/static/9821.php
• http://www.kb.cert.org/vuls/id/287771
• http://www.securityfocus.com/bid/5440

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