CVE-2017-6867

MEDIUM

Siemens SIMATIC WinCC <7.3 Upd 11 & <7.4 SP1 - DoS

Title source: llm

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.

References (3)

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/98368

[Vendor Advisory] https://cert-portal.siemens.com/productcert/pdf/ssa-523365.pdf

[Vendor Advisory] https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-156872.pdf

Scores

CVSS v3 4.9

EPSS 0.0061

EPSS Percentile 69.6%

Attack Vector NETWORK

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

Details

CWE

CWE-20 CWE-787

Status published

Products (7)

siemens/simatic_wincc

siemens/simatic_wincc_\(tia_portal\)

siemens/simatic_wincc_runtime

n/a/Siemens SIMATIC WinCC < Siemens SIMATIC WinCC

Published May 11, 2017

Tracked Since Feb 18, 2026