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Vulnerability of SIMATIC TDC CP51M1: denial of service via UDP

Synthesis of the vulnerability 

An attacker can send malicious UDP packets to SIMATIC TDC CP51M1, in order to trigger a denial of service.
Impacted products: SIMATIC.
Severity of this bulletin: 2/4.
Creation date: 10/09/2019.
Références of this threat: CERTFR-2019-AVI-429, CVE-2019-10937, SSA-250618, VIGILANCE-VUL-30285.

Description of the vulnerability 

An attacker can send malicious UDP packets to SIMATIC TDC CP51M1, in order to trigger a denial of service.
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This cybersecurity alert impacts software or systems such as SIMATIC.

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

The trust level is of type confirmed by the editor, with an origin of intranet client.

An attacker with a expert ability can exploit this security weakness.

Solutions for this threat 

SIMATIC TDC CP51M1: version 1.1.7.
The version 1.1.7 is fixed:
  https://support.industry.siemens.com/cs/ww/en/view/27049282
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