CVE-2006-5278: Integer overflow in the Real-Time Information Server (RIS) Data Collector service (RisDC.exe) in Cisco Unif...

Security readout for executives and security teams

CVE-2006-5278 is a remote code execution flaw in Cisco Unified Communications Manager's RIS Data Collector service. A malicious packet could trigger an integer overflow that becomes a heap buffer overflow. For executives, the risk is potential compromise of a core voice communications platform, but the provided sources do not include CVSS, exact fixed releases, or active exploitation evidence. Exposure is likely limited to organizations still running legacy Cisco Unified Communications Manager or CallManager builds predating the July 11, 2007 Cisco advisory. Internet exposure cannot be inferred from the bundle. Internal network exposure matters because the affected service is part of a communications-management platform. Treat this as a high-priority legacy-platform risk if CUCM or CallManager is still in service. It is not a broad modern exposure indicator by itself. Priority should focus on asset discovery, version confirmation, and vendor-guided remediation for any remaining affected systems. Mitigation focus: Review Cisco advisory cisco-sa-20070711-cucm for affected releases and official fixed software.; Upgrade or retire CUCM or CallManager versions identified as older than the vendor's fixed guidance.; Restrict untrusted network access to CUCM services while validating exposure..

Prepared

Jun 29, 2026, 04:34 UTC (UTC+00:00)

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