CVE-1999-0320: SunOS rpc.cmsd allows attackers to obtain root access by overwriting arbitrary files.

Security readout for executives and security teams

This old SunOS vulnerability reports that rpc.cmsd can let an attacker overwrite arbitrary files and obtain root access. Root access means full control of the affected host. The provided data does not name affected versions, CVSS score, patch status, or active exploitation evidence. Exposure is most likely limited to legacy SunOS environments where rpc.cmsd is installed or running. The source bundle lists affected products and versions as n/a, so exact scope must be confirmed through asset inventory and Sun advisory 00166. Treat as high-priority for any remaining SunOS estate because the stated impact is root access. For modern environments without SunOS rpc.cmsd, priority is inventory confirmation and legacy-risk closure rather than emergency response. Mitigation focus: Review Sun advisory 00166 for affected versions and vendor remediation.; Inventory SunOS hosts and identify rpc.cmsd presence.; Disable or isolate rpc.cmsd where business use is not required..

Prepared

Jul 12, 2026, 06:27 UTC (UTC+00:00)

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