CVE-2011-4879

Published: Feb 3, 2012Modified: Apr 29, 2026

8.5

Vector

AV:N/AC:L/Au:N/C:P/I:N/A:C

Exploitability: 10.0 / Impact: 7.8

Source: NVD

Description

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 does not properly handle URIs beginning with a 0xfa character, which allows remote attackers to read data from arbitrary memory locations or cause a denial of service (application crash) via a crafted POST request.

Affected (16)

Products: Siemens: Wincc Flexible, Wincc, Simatic Hmi Panels, Wincc Runtime Advanced, Wincc Flexible Runtime

5 products

Simatic Hmi Panels

Wincc Runtime Advanced

Wincc Flexible Runtime

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Siemens Wincc Flexible	Version 2004
Siemens Wincc Flexible	Version 2005
Siemens Wincc Flexible	Version 2007
Siemens Wincc Flexible	Version 2008
Siemens Wincc Flexible	Version 2008 sp1
Siemens Wincc Flexible	Version 2008 sp2

Configuration B

3 vulnerable

Vulnerable Software	Affected Versions
Siemens Wincc	Up to v11
Siemens Wincc	Version v11
Siemens Wincc	Version v11 sp1

Configuration C

5 vulnerable

Vulnerable Software	Affected Versions
Siemens Simatic Hmi Panels	Version comfort_panels
Siemens Simatic Hmi Panels	Version mobile_panels
Siemens Simatic Hmi Panels	Version mp
Siemens Simatic Hmi Panels	Version op
Siemens Simatic Hmi Panels	Version tp

Configuration D

1 vulnerable

Vulnerable Software	Affected Versions
Siemens Wincc Runtime Advanced	Version v11

Configuration E

1 vulnerable

Vulnerable Software	Affected Versions
Siemens Wincc Flexible Runtime	All versions

Related CWEs

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (16)

http://aluigi.org/adv/winccflex_1-adv.txt

Source: cret@cert.org

http://www.exploit-db.com/exploits/18166

Source: cret@cert.org

http://www.osvdb.org/77384

Source: cret@cert.org

http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf

Source: cret@cert.org

Vendor Advisory

http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf

Source: cret@cert.org

http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf

Source: cret@cert.org

http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf

Source: cret@cert.org

US Government Resource

https://exchange.xforce.ibmcloud.com/vulnerabilities/71453

Source: cret@cert.org

http://aluigi.org/adv/winccflex_1-adv.txt

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.exploit-db.com/exploits/18166

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.osvdb.org/77384

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf

Source: af854a3a-2127-422b-91ae-364da2661108

US Government Resource

https://exchange.xforce.ibmcloud.com/vulnerabilities/71453

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.