What’s Vulnerable › Vulnerabilities

CVE-2003-0258

• Severity: high (CVSS 7.5 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: 2003-05-27 · updated 2026-06-16

Description

Cisco VPN 3000 series concentrators and Cisco VPN 3002 Hardware Client 3.5.x through 4.0.REL, when enabling IPSec over TCP for a port on the concentrator, allow remote attackers to reach the private network without authentication.

Affected products

• Cisco Vpn 3000 Concentrator Series Software: 3.5(rel), 3.5.1, 3.5.2, 3.5.3, 3.5.4, 3.5.5 (+11)
• Cisco Vpn 3002 Hardware Client: all versions
• Cisco Vpn 3005 Concentrator Software: 4.0.1
• Cisco Vpn 3015 Concentrator: all versions
• Cisco Vpn 3030 Concentator: all versions
• Cisco Vpn 3060 Concentrator: all versions
• Cisco Vpn 3080 Concentrator: all versions

References

• http://www.cisco.com/warp/public/707/cisco-sa-20030507-vpn3k.shtml
• http://www.kb.cert.org/vuls/id/727780
• https://exchange.xforce.ibmcloud.com/vulnerabilities/11954
• http://www.cisco.com/warp/public/707/cisco-sa-20030507-vpn3k.shtml
• http://www.kb.cert.org/vuls/id/727780
• https://exchange.xforce.ibmcloud.com/vulnerabilities/11954

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