CVE-2011-20002 - CVE House
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Status published High CVE-2011-20002

A vulnerability has been identified in SIMATIC S7-1200 CPU V1...

Vulnerability Description

A vulnerability has been identified in SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants) (All versions < V2.0.2), SIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants) (All versions < V2.0.2). Affected controllers are vulnerable to capture-replay in the communication with the engineering software. This could allow an on-path attacker between the engineering software and the controller to execute any previously recorded commands at a later time (e.g. set the controller to STOP), regardless whether or not the controller had a password configured.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants), SIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants)
Vulnerable Versions:
0

Timeline

Official Publish: October 14th, 2025
Last Modified: October 14th, 2025
Added to House: July 19th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

Weaknesses (CWE)

CWE-294

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.