CVE-2005-2984: Avocent CCM console server running firmware 2.1 CCM4850 allows remote authenticated attackers to bypass por...

Security readout for executives and security teams

This issue affects Avocent CCM console servers running firmware 2.1 CCM4850. An authenticated remote user could bypass configured serial-port restrictions over SSH and reach a serial port they should not be allowed to access. For organizations still using these console servers, the business concern is unauthorized administrative access to downstream equipment connected through the console server. Exposure is most likely in legacy environments still operating Avocent CCM console servers with firmware 2.1 CCM4850, especially where SSH access is reachable by many administrators or from broad management networks. Prioritize if these devices manage network, security, or server infrastructure. The issue is old and requires authentication, but console-server misuse can undermine controls protecting connected systems. If affected legacy devices remain in service, treat remediation as a focused operational risk reduction task. Mitigation focus: Inventory Avocent CCM console servers and confirm firmware versions.; Check current vendor or successor guidance for supported firmware and fixes.; Restrict SSH access to trusted management hosts and administrators..

Prepared

Jun 29, 2026, 17:57 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.