Siemens SIMATIC WinCC (TIA Portal) < 14 SP1 XXE Vulnerability

high Nessus Plugin ID 102991

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Synopsis

An application installed on the remote host is affected by multiple denial of service vulnerabilities.

Description

The version of Siemens SIMATIC WinCC (TIA Portal) installed on the remote host is prior to 14 service pack 1 (1400.100.1201.1). It is, therefore, affected by an XML External Entity Injection Vulnerability. A flaw in the OPC discovery server, that is triggered during the handling of a specially crafted packet, may allow a remote attacker to gain access to certain resources or consume excessive resources.

Solution

Upgrade to Siemens SIMATIC WinCC (TIA Portal) version 14 SP1 (1400.100.1201.1) or later.

Plugin Details

Severity: High

ID: 102991

File Name: scada_siemens_tia_wincc_SSA-535640.nbin

Version: 1.78

Type: local

Agent: windows

Family: SCADA

Published: 9/7/2017

Updated: 4/23/2024

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.2

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2017-12069

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: cpe:/a:siemens:wincc, cpe:/a:siemens:simatic_tiaportal

Required KB Items: installed_sw/Siemens SIMATIC WinCC Totally Integrated Automation Portal

Exploit Ease: No known exploits are available

Patch Publication Date: 8/30/2017

Vulnerability Publication Date: 8/30/2017

Reference Information

CVE: CVE-2017-12069

BID: 100559

IAVB: 2017-B-0120

ICSA: 17-243-01

Detections

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