Siemens TIA Portal < 15.1 Update 5 Arbitrary Code Execution

high Nessus Network Monitor Plugin ID 720267
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

Siemens TIA Portal allows remote attackers to execute arbitrary code by sending crafted packets over WebSockets protocol.

Description

The TIA Administrator in Siemens TIA Portal 15 before Update 5 allows a remote, unauthenticated attacker administrative access to all application commands. An attacker can execute application functionality by sending crafted packets over WebSockets protocol.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

See Also

https://de.tenable.com/security/research/tra-2019-33,https://de.tenable.com/blog/tenable-research-discloses-critical-vulnerability-in-siemens-step-7-cve-2019-10915

Plugin Details

Severity: High

ID: 720267

Family: SCADA

Published: 7/22/2019

Updated: 9/30/2019

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

Patch Publication Date: 7/11/2019

Vulnerability Publication Date: 7/11/2019

Reference Information

CVE: CVE-2019-10915