What’s Vulnerable › Vulnerabilities

CVE-2001-0428

• 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: 2001-07-02 · updated 2026-06-16

Description

Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via an IP packet with an invalid IP option.

Affected products

• Cisco Vpn 3000 Concentrator Series Software: 2.5.2.a, 2.5.2.b, 2.5.2.c, 2.5.2.d

References

• http://www.cisco.com/warp/public/707/vpn3k-ipoptions-vuln-pub.shtml
• http://www.osvdb.org/1786
• http://www.securityfocus.com/bid/2573
• https://exchange.xforce.ibmcloud.com/vulnerabilities/6360
• http://www.cisco.com/warp/public/707/vpn3k-ipoptions-vuln-pub.shtml
• http://www.osvdb.org/1786
• http://www.securityfocus.com/bid/2573
• https://exchange.xforce.ibmcloud.com/vulnerabilities/6360

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