Siemens SIMATIC HMI Panels and TIA Portal <= v15.1 Update 1 Hardcoded Credentials (ICSA-19-134-09)

critical Nessus Network Monitor Plugin ID 720274

Synopsis

Use of a hardcoded community string has been identified in SIMATIC HMI Panels &lt; v15.1 Update 1, HMI Classic Devices (all versions), and TIA Portal &lt;= v15.1 Update 1.

Description

The affected devices offer SNMP read and write capacities with a publicly know hardcoded community string. The security vulnerability can be exploited by an attacker with network access to the affected device. Successful exploitation requires no system privileges and no user interaction. An attacker can use the vulnerability to compromise confidentiality and integrity of the affected system.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

See Also

https://www.us-cert.gov/ics/advisories/ICSA-19-134-09

Plugin Details

Severity: Critical

ID: 720274

Family: SCADA

Published: 7/31/2019

Updated: 9/30/2019

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Patch Publication Date: 5/14/2019

Vulnerability Publication Date: 5/14/2019

Reference Information

CVE: CVE-2019-6572

BID: 108412