CVE-2006-0153: 427BB 2.2 and 2.2.1 verifies authentication credentials based on the username, authenticated, and usertype...

Security readout for executives and security teams

CVE-2006-0153 is an authentication bypass in 427BB 2.2 and 2.2.1. The application trusted client-side cookie values as proof of login state, allowing a remote attacker to bypass normal authentication. This matters mainly for organizations still running this obsolete forum software or exposed archived deployments. Exposure is likely limited to legacy 427BB 2.2 or 2.2.1 installations, especially internet-facing forums, intranet portals, or abandoned web roots. The source bundle does not identify CPEs, broader affected products, or maintained vendor support status. Prioritize remediation if any 427BB deployment is still reachable. The product and CVE are old, but the weakness affects authentication, so a forgotten exposed installation could provide unauthorized access to forum accounts or administrative functions. Mitigation focus: Inventory for any 427BB 2.2 or 2.2.1 deployments.; Check vendor or archived advisory guidance for fixed versions or migration direction.; Remove, replace, or isolate unsupported 427BB installations from internet access..

Prepared

Jun 29, 2026, 15:20 UTC (UTC+00:00)

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