CVE-2017-6867

Severity: medium (CVSS 4.9 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-05-11 · updated 2026-06-17
Weakness: CWE-787

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.

Affected products

Siemens Simatic Wincc: 7.3, 7.4
Siemens Simatic Wincc (Tia Portal): 13-sp1, 14
Siemens Simatic Wincc Runtime: 13-sp1, 14

References

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
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

Get alerted when CVE-2017-6867 or the next vulnerability affects your stack