CVE-2017-6867 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.securityfocus.com/bid/98368 https://cert-portal.siemens.com/productcert/pdf/ssa-523365.pdf https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-156872.pdf

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

4.9