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vulnerability bulletin CVE-2018-16556 CVE-2018-16557

Siemens SIMATIC S7-400: denial of service via 102/tcp

Synthesis of the vulnerability

Impacted products: SIMATIC.
Severity: 2/4.
Consequences: denial of service on server, denial of service on service.
Provenance: intranet client.
Confidence: confirmed by the editor (5/5).
Creation date: 14/11/2018.
Identifiers: CERTFR-2018-AVI-543, CVE-2018-16556, CVE-2018-16557, SSA-113131, VIGILANCE-VUL-27783.

Description of the vulnerability

An attacker can generate a fatal error via 102/tcp of Siemens SIMATIC S7-400, in order to trigger a denial of service.
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