CVE-2008-6576: Nortel CS1000

High severity, CVSS 7.8. EPSS: 2% chance of exploitation in the next 30 days.

Unspecified vulnerability in the "session limitation technique" in the FTP service on Nortel Communications Server 1000 (CS1K) 4.50.x, when running on VGMC or signaling nodes, allows remote attackers to cause a denial of service (resource exhaustion and failed updates) via unknown vectors that causes consumption of all available sessions.

Affected products

• Nortel CS1000: version 4.50 only

Published 2009-04-01. Last modified 2026-06-16.