CVE-2000-0856: Buffer overflow in SunFTP build 9(1) allows remote attackers to cause a denial of service or possibly execu...

Security readout for executives and security teams

CVE-2000-0856 is an old remote buffer overflow reported in SunFTP build 9(1). A specially long GET request could crash the service and may allow arbitrary command execution. The public data does not confirm active exploitation or a vendor fix. Exposure is likely limited to legacy systems still running SunFTP build 9(1) or software embedding that component. Modern environments are unlikely to be affected unless old FTP infrastructure remains in service. Prioritize remediation if SunFTP build 9(1) is present, especially on reachable servers. The main business risk is service disruption, with possible compromise risk that cannot be ruled out from public data. Mitigation focus: Inventory internet-facing and internal FTP services for SunFTP build 9(1).; Retire or replace unsupported SunFTP deployments where found.; Restrict network access to any affected service until remediated..

Prepared

Jul 1, 2026, 09:34 UTC (UTC+00:00)

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