Security Advisory

CVE-2018-7790

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2018-08-29 21:00:00

Last updated 2024-09-16 19:52:22

Assigner schneider

State PUBLISHED

Description

An Information Management Error vulnerability exists in Schneider Electrics Modicon M221 product (all references, all versions prior to firmware V1.6.2.0). The vulnerability allows unauthorized users to replay authentication sequences. If an attacker exploits this vulnerability and connects to a Modicon M221, the attacker can upload the original program from the PLC.

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