SCADA Vulnerabilities & Exposures (SVE)

CRITIFENCE® SCADA Vulnerabilities and Exposures Database (SVE)

[SVE-235938875] Siemens SIMATIC WinCC and SIMATIC WinCC Runtime Professional

Date Type Platform Author EDB-ID CVE-ID OSVDB-ID Download App SIS Signature
2017-05-09OtherSiemensSergey Temnikov and Vladimir Dashchenko of the Kaspersky Lab Critical Infrastructure Defense Team reported this vulnerability diN/ACVE-2017-6867 N/AN/AN/A

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# Siemens SIMATIC WinCC and SIMATIC WinCC Runtime Professional
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### VULNERABLE VENDOR
Siemens


### VULNERABLE PRODUCT
SIMATIC WinCC and SIMATIC WinCC Runtime Professional



### RESEARCHER
Sergey Temnikov and Vladimir Dashchenko of the Kaspersky Lab Critical Infrastructure Defense Team reported this vulnerability directly to Siemens.



### AFFECTED PRODUCTS

Siemens reports that the vulnerability affects the following versions of SIMATIC WinCC, SIMATIC WinCC (TIA Portal), and SIMATIC WinCC Runtime Professional:

SIMATIC WinCC:

V7.3: All versions prior to V7.3 Update 11, and
V7.4: All versions prior to V7.4 SP1.
SIMATIC WinCC Runtime Professional:

V13: All versions prior to V13 SP2, and
V14: All versions prior to V14 SP1.
SIMATIC WinCC (TIA Portal) Professional:

V13: All versions prior to V13 SP2, and
V14: All versions prior to V14 SP1.



### IMPACT

Successful exploitation of this vulnerability under certain circumstances may allow the attacker to cause the affected service to crash, resulting in a denial-of-service condition.



### VULNERABILITY OVERVIEW

IMPROPER INPUT VALIDATION CWE-20
An authenticated, remote attacker who is a member of the "administrators" group could crash services by sending specially crafted messages to the DCOM interface.
CVE-2017-6867 has been assigned to this vulnerability.
A CVSS v3 base score of 4.9 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)





### BACKGROUND

Critical Infrastructure Sectors: Food and Agriculture, Chemical, Energy, Water and Wastewater Systems
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Germany




### MITIGATION

Siemens has released updates for the following products and strongly encourages users to upgrade to the new versions as soon as possible:

SIMATIC WinCC:

V7.3: Update to WinCC V7.3 Update 13
https://support.industry.siemens.com/cs/ww/en/view/109746452


V7.4: Update to WinCC V7.4 SP1
https://support.industry.siemens.com/cs/ww/en/view/109746038


SIMATIC WinCC Runtime Professional:

V13: Update to V13 SP2
https://support.industry.siemens.com/cs/ww/en/view/109746268


V14: Update to V14 SP1
https://support.industry.siemens.com/cs/ww/en/view/109746276


SIMATIC WinCC (TIA Portal) Professional:

V13: Update to V13 SP2
https://support.industry.siemens.com/cs/ww/en/view/109746075


V14: Update to V14 SP1
https://support.industry.siemens.com/cs/ww/en/view/109746074


For more information on this vulnerability and more detailed mitigation instructions, please see Siemens Security Advisory SSA-156872 at the following location:

http://www.siemens.com/cert/en/cert-security-advisories.htm


As a general security measure Siemens strongly recommends protecting network access to SIMATIC WinCC, SIMATIC WinCC Runtime, and SIMATIC WinCC (TIA Portal) Professional stations with appropriate mechanisms. Siemens advises configuring the environment according to Siemens operational guidelines in order to run the devices in a protected IT environment.

https://www.siemens.com/cert/operational-guidelines-industrial-security