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...

Schneider Electric Modicon Controllers and Software Authentication Bypass By Spoofing (CVE-2021-22779)

Authentication Bypass by Spoofing vulnerability exists in EcoStruxure Control Expert all versions prior to V15.0 SP1, including all versions of Unity Pro, EcoStruxure Control Expert V15.0 SP1, EcoStruxure Process Expert all versions, including all versions of EcoStruxure Hybrid DCS, SCADAPack...

CVE-2021-22779

Authentication Bypass by Spoofing vulnerability exists in EcoStruxure Control Expert all versions prior to V15.0 SP1, including all versions of Unity Pro, EcoStruxure Control Expert V15.0 SP1, EcoStruxure Process Expert all versions, including all versions of EcoStruxure Hybrid DCS, SCADAPack...

CVE-2021-22779

Authentication Bypass by Spoofing vulnerability exists in EcoStruxure Control Expert all versions prior to V15.0 SP1, including all versions of Unity Pro, EcoStruxure Control Expert V15.0 SP1, EcoStruxure Process Expert all versions, including all versions of EcoStruxure Hybrid DCS, SCADAPack...

CVE-2021-22779

The CVE-2021-22779 entry describes an Authentication Bypass by Spoofing vulnerability affecting Schneider Electric products including EcoStruxure Control Expert (pre- and post‑patch variants), EcoStruxure Process Expert, SCADAPack RemoteConnect for x70, and Modicon M580/M340 CPUs. The flaw enable...

Schneider Electric Modicon Controllers and Software (Update A)

1. EXECUTIVE SUMMARY CVSS v3 9.8 ATTENTION: Exploitable remotely/low attack complexity Vendor : Schneider Electric Equipment : EcoStruxure Control Expert, EcoStruxure Process Expert, SCADAPack RemoteConnect x70, SCADAPack x70 RTUs, and Modicon M580 and M340 control products Vulnerabilities :...