Information disclosure in Siemens SIMATIC WinCC and SIMATIC PCS 7 - CVE-2014-8552

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Main Vulnerability Database Vulnerabilities #VU6191

Information disclosure in Siemens SIMATIC WinCC and SIMATIC PCS 7 - CVE-2014-8552

Published: April 5, 2017


Vulnerability identifier: #VU6191
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2014-8552
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Siemens
Affected software:
Siemens SIMATIC WinCC
SIMATIC PCS 7

Detailed vulnerability description

The vulnerability allows a remote attacker to view arbitrary files on the system.

The vulnerability exists due to improper input validation when processing packets sent to the WinCC server. A remote unauthenticated attacker can send a specially crafted packet and view contents of arbitrary files on the target system.

Successful exploitation of the vulnerability may allow an attacker to gain access to potentially sensitive information.


How to mitigate CVE-2014-8552

Install updates from vendor's website:

TIA Portal V13 (including WinCC Professional Runtime)

WinCC 7.0

WinCC V7.0 SP3

WinCC 7.2

WinCC 7.3

PCS 7 V7.1 SP4

PCS 7 V8.0 SP2

PCS 7 V8.1


Sources