Emerson DeltaV 10.3.1, 11.3, 11.3.1, and 12.3 uses hardcoded credentials for diagnostic services, which allows remote attackers to bypass intended access restrictions via a TCP session, as demonstrated by a session that uses the telnet program.
CVE 해결 방법
Emerson has created a patch to mitigate these vulnerabilities. Emerson
has distributed a notification (KBA NK-1400-0031) that provides details
of the vulnerabilities, recommended mitigations, and instructions on
obtaining and installing the patch. This document is available on
Emerson’s support site to users who have support contracts with Emerson.
If you do not have access to this site and need to apply the patch,
please contact customer service at 1‑800‑833‑8314.