CVE-2019-6574 Information

Description

A vulnerability has been identified in SINAMICS PERFECT HARMONY GH180 with NXG I control MLFBs: 6SR2…- 6SR3…- 6SR4…- (All Versions with option G21 G22 G23 G26 G28 G31 G32 G38 G43 or G46) SINAMICS PERFECT HARMONY GH180 with NXG II control MLFBs: 6SR2…- 6SR3…- 6SR4…- (All Versions with option G21 G22 G23 G26 G28 G31 G32 G38 G43 or G46). An improperly configured Parameter Read/Write execution via Field bus network may cause the controller to restart. The vulnerability could be exploited by an attacker with network access to the device. Successful exploitation requires no privileges and no user interaction. An attacker could use the vulnerability to compromise the availability of the affected system. At the time of advisory publication no public exploitation of this security vulnerability was known.

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-865156.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