Siemens WinCC and SIMATIC HMI Panels < 11.0.2.1 Directory Traversal

high Nessus Network Monitor Plugin ID 720013

Synopsis

Siemens WinCC and SIMATIC HMI panels include a component that is vulnerable to directory traversal.

Description

Directory traversal vulnerability in miniweb.exe in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Update 1; the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime allows remote attackers to read arbitrary files via a ..%5c (dot dot backslash) in a URI.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

See Also

http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf,http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf,http://aluigi.org/adv/winccflex_1-adv.txt,https://ics-cert.us-cert.gov/advisories/ICSA-12-030-01A,http://www.exploit-db.com/exploits/18166,http://www.osvdb.org/77383,http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf,http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf,https://exchange.xforce.ibmcloud.com/vulnerabilities/71452

Plugin Details

Severity: High

ID: 720013

Family: SCADA

Published: 5/8/2019

Updated: 9/30/2019

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

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

Vulnerability Information

Patch Publication Date: 4/18/2012

Vulnerability Publication Date: 4/18/2012

Reference Information

CVE: CVE-2011-4878