CVE-2006-5000: Multiple buffer overflows in WS_FTP Server 5.05 before Hotfix 1, and possibly other versions down to 5.0, h...

Security readout for executives and security teams

WS_FTP Server had multiple authenticated remote buffer overflows in checksum command handling. The sources name version 5.05 before Hotfix 1 and possibly versions down to 5.0. Business urgency depends on whether legacy WS_FTP Server remains deployed and reachable by users with accounts. Exposure is most likely in legacy environments still running Ipswitch WS_FTP Server 5.05 before Hotfix 1, or possibly 5.0 through 5.05. Internet-facing FTP services with many user accounts carry higher concern because authentication is required but may be widely available. Treat this as a legacy exposure cleanup item unless vulnerable WS_FTP Server is still internet-facing or broadly accessible. Prioritize identification and removal because old file-transfer servers often hold sensitive data and may be difficult to monitor well. Mitigation focus: Inventory WS_FTP Server deployments and confirm exact versions.; Apply Ipswitch WS_FTP Server 5.05 Hotfix 1 where applicable.; Retire or upgrade unsupported WS_FTP Server 5.0 through 5.05 installations..

Prepared

Jun 29, 2026, 10:19 UTC (UTC+00:00)

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