CVE-2009-0627: Cisco Nexus 5000

High severity, CVSS 7.8. EPSS: 2.1% chance of exploitation in the next 30 days.

Unspecified vulnerability in Cisco NX-OS before 4.0(1a)N2(1), when running on Nexus 5000 platforms, allows remote attackers to cause a denial of service (crash) via an unspecified "sequence of TCP packets" related to "TCP State manipulation," possibly related to separate attacks against CVE-2008-4609.

Affected products

• Cisco Nexus 5000
• Cisco Nexus 7000
• Cisco NX-OS: up to and including 4.0

Published 2009-09-08. Last modified 2026-06-16.