CVE-2022-29957

The Emerson DeltaV Distributed Control System (DCS) through 2022-04-29 mishandles authentication. It utilizes several proprietary protocols for a wide variety of functionality. These protocols include Firmware upgrade (18508/TCP, 18518/TCP); Plug-and-Play (18510/UDP); Hawk services (18507/UDP); Management (18519/TCP); Cold restart (18512/UDP); SIS communications (12345/TCP); and Wireless Gateway Protocol (18515/UDP). None of these protocols have any authentication features, allowing any attacker capable of communicating with the ports in question to invoke (a subset of) desired functionality.

• CWE-306

• https://www.cisa.gov/uscert/ics/advisories/icsa-22-181-03Third Party Advisory, US Government Resource
• https://www.forescout.com/blog/Third Party Advisory
• https://www.cisa.gov/uscert/ics/advisories/icsa-22-181-03Third Party Advisory, US Government Resource
• https://www.forescout.com/blog/Third Party Advisory

Published

Jul 26, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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