CVE-2019-19301 Information

Description

A vulnerability has been identified in SCALANCE S602 (All versions) SCALANCE S612 (All versions) SCALANCE S623 (All versions) SCALANCE S627-2M (All versions) SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions) SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions) SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions) SIMATIC NET CP 443-1 (incl. SIPLUS variants) (All versions) SIMATIC NET CP 443-1 Advanced (incl. SIPLUS variants) (All versions) SIMATIC RF180C (All versions) SIMATIC RF182C (All versions). The VxWorks-based Profinet TCP Stack can be forced to make very expensive calls for every incoming packet which can lead to a denial of service.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://cert-portal.siemens.com/productcert/pdf/ssa-102233.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5