CVE-2017-6867: Input Validation

Published May 11, 2017
·
Updated

A vulnerability was discovered in Siemens SIMATIC WinCC (V7.3 before Upd 11 and V7.4 before SP1), SIMATIC WinCC Runtime Professional (V13 before SP2 and V14 before SP1), SIMATIC WinCC (TIA Portal) Professional (V13 before SP2 and V14 before SP1) that could allow an authenticated, remote attacker who is member of the "administrators" group to crash services by sending specially crafted messages to the DCOM interface.

Affected Software

6 affected components
Siemens SIMATIC WinCC=7.3
Siemens SIMATIC WinCC=7.4
Siemens Simatic Wincc \(tia Portal\)=13-sp1
Siemens Simatic Wincc \(tia Portal\)=14
Siemens SIMATIC WinCC Runtime=13-sp1
Siemens SIMATIC WinCC Runtime=14

Event History

May 11, 2017
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
DescriptionWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2017-6867?

CVE-2017-6867 is classified as a high severity vulnerability.

2

Who is affected by CVE-2017-6867?

CVE-2017-6867 affects Siemens SIMATIC WinCC versions 7.3 and 7.4, as well as WinCC Runtime Professional versions 13 and 14.

3

How do I fix CVE-2017-6867?

To fix CVE-2017-6867, users should update their Siemens SIMATIC WinCC and WinCC Runtime Professional software to the latest versions.

4

Can CVE-2017-6867 be exploited remotely?

Yes, CVE-2017-6867 can be exploited by an authenticated remote attacker.

5

What types of attacks can CVE-2017-6867 lead to?

CVE-2017-6867 could allow an attacker to perform unauthorized actions within the affected applications.

Contact

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