CVE-2012-1816: PORTSERV.exe in Emerson DeltaV and DeltaV Workstations 9.3.1, 10.3.1, 11.3, and 11.3.1 and DeltaV ProEssent...

Security readout for executives and security teams

This vulnerability can let a remote attacker crash PORTSERV.exe on affected Emerson DeltaV environments by sending malicious network traffic. For industrial operations, the main concern is service disruption rather than data theft, based on the supplied description. Exposure is most likely where affected DeltaV systems have TCP or UDP port 111 reachable from untrusted or poorly segmented networks. The source bundle does not provide asset prevalence, CVSS, or deployment context. Treat this as an operational resilience issue for any affected DeltaV environment. Priority should rise if port 111 is reachable beyond tightly controlled industrial network segments. Mitigation focus: Check Emerson and ICS-CERT guidance for approved updates or mitigations.; Restrict TCP and UDP port 111 to required trusted network paths.; Segment DeltaV workstations from corporate and internet-accessible networks..

Prepared

Jun 24, 2026, 12:34 UTC (UTC+00:00)

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