CVE-2003-0210: Buffer overflow in the administration service (CSAdmin) for Cisco Secure ACS before 3.1.2 allows remote att...

Security readout for executives and security teams

Cisco Secure ACS before 3.1.2 had a remotely reachable buffer overflow in its Windows administration service. An attacker could crash the service and might execute code on the server. Because ACS controls authentication and network access decisions, compromise or outage could disrupt security operations or weaken access control. Exposure is most likely in legacy environments still running Cisco Secure ACS for Windows before 3.1.2, especially where CSAdmin port 2002 is reachable beyond a tightly controlled management network. Treat this as a high-priority legacy exposure check. The main business risk is an outage or compromise of an authentication control plane. If no affected ACS remains, residual risk is low; if it remains reachable, remediation should be prioritized. Mitigation focus: Inventory any remaining Cisco Secure ACS for Windows deployments.; Upgrade systems older than Cisco Secure ACS 3.1.2 per Cisco guidance.; Restrict CSAdmin port 2002 to trusted management hosts only..

Prepared

Jun 30, 2026, 11:41 UTC (UTC+00:00)

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