CVE-2008-6577: Nortel CS1000

High severity, CVSS 10.0. EPSS: 2.6% chance of exploitation in the next 30 days.

Nortel MG1000S, Signaling Server, and Call Server on the Communications Server 1000 (CS1K) 4.50.x contain multiple unspecified hard-coded accounts and passwords, which allows remote attackers to gain privileges.

Affected products

• Nortel CS1000: version 4.50 only

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