The secrets of Schneider Electric’s UMAS protocol

UMAS Unified Messaging Application Services is a proprietary Schneider Electric SE protocol used to configure and monitor Schneider Electric PLCs. Schneider Electric controllers that use UMAS include Modicon M580 CPU part numbers BMEP and BMEH and Modicon M340 CPU part numbers BMXP34. Controllers...

PseudoManuscrypt: a mass-scale spyware attack campaign

In June 2021, Kaspersky ICS CERT experts identified malware whose loader has some similarities to the Manuscrypt malware, which is part of the Lazarus APT groups arsenal. In 2020, the group used Manuscrypt in attacks on defense enterprises in different countries. These attacks are described in th...

Emerson OpenEnterprise

1. EXECUTIVE SUMMARY CVSS v3 8.1 ATTENTION: Exploitable remotely Vendor: Emerson Equipment: OpenEnterprise SCADA Server Vulnerability: Heap-based Buffer Overflow 2. RISK EVALUATION Successful exploitation of this vulnerability could allow an attacker to execute code on an OpenEnterprise SCADA...