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Vulnerability of Siemens SIMATIC WinCC OA: multiple vulnerabilities via WibuKey DRM

Synthesis of the vulnerability 

An attacker can use several vulnerabilities via WibuKey DRM of Siemens SIMATIC WinCC OA.
Vulnerable products: SIMATIC.
Severity of this weakness: 2/4.
Number of vulnerabilities in this bulletin: 3.
Creation date: 27/02/2019.
Références of this bulletin: CERTFR-2019-AVI-078, CVE-2018-3989, CVE-2018-3990, CVE-2018-3991, SSA-844562, VIGILANCE-VUL-28614.

Description of the vulnerability 

An attacker can use several vulnerabilities via WibuKey DRM of Siemens SIMATIC WinCC OA.
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This computer weakness impacts software or systems such as SIMATIC.

Our Vigil@nce team determined that the severity of this vulnerability note is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

This bulletin is about 3 vulnerabilities.

An attacker with a expert ability can exploit this cybersecurity threat.

Solutions for this threat 

WibuKey Digital Rights Management: version 6.50.
The version 6.50 is fixed:
  https://www.wibu.com/support/user/downloads-user-software.html
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