Security Advisory

CVE-2011-20001

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-10-14 09:14:53

Last updated 2025-10-14 18:57:37

Assigner siemens

State PUBLISHED

Description

A vulnerability has been identified in SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants) (All versions < V2.0.3), SIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants) (All versions < V2.0.3). The web server interface of affected devices improperly processes incoming malformed HTTP traffic at high rate. This could allow an unauthenticated remote attacker to force the device entering the stop/defect state, thus creating a denial of service condition.

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