CVE-2020-15796: High severity siemens simatic et 200sp open controller vulnerability

Published Dec 14, 2020
·
Updated

A vulnerability has been identified in SIMATIC ET 200SP Open Controller (incl. SIPLUS variants) (V20.8), SIMATIC S7-1500 Software Controller (V20.8). The web server of the affected products contains a vulnerability that could allow a remote attacker to trigger a denial-of-service condition by sending a specially crafted HTTP request.

Affected Software

4 affected components
Siemens Simatic Et 200sp Open Controller Firmware<=20.8
Siemens Simatic Et 200sp Open Controller
Siemens Simatic S7-1500 Software Controller Firmware<=20.8
Siemens SIMATIC S7-1500 Software Controller

Event History

Dec 14, 2020
CVE Published
via MITRE·09:05 PM
Data Sourced
via MITRE·09:05 PM
DescriptionWeakness
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Frequently Asked Questions

1

What is CVE-2020-15796?

CVE-2020-15796 is a vulnerability identified in SIMATIC ET 200SP Open Controller (incl. SIPLUS variants) (V20.8) and SIMATIC S7-1500 Software Controller (V20.8), where the web server of the affected products contains a vulnerability that could allow a remote attacker to trigger a denial-of-service condition.

2

How severe is CVE-2020-15796?

CVE-2020-15796 has a severity rating of 7.5 (high).

3

Which products are affected by CVE-2020-15796?

SIMATIC ET 200SP Open Controller (incl. SIPLUS variants) (V20.8) and SIMATIC S7-1500 Software Controller (V20.8) are affected by CVE-2020-15796.

4

How can a remote attacker exploit CVE-2020-15796?

A remote attacker can exploit CVE-2020-15796 by sending specially crafted requests to the web server, triggering a denial-of-service condition.

5

Is there a fix for CVE-2020-15796?

Yes, Siemens has provided a security advisory with mitigation measures for CVE-2020-15796. Please refer to the official reference link for more information.

Contact

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