Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2011-4879

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.

Published

2012-02-03T20:55:02.077

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 8.5 (HIGH)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

7.8

Weaknesses
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application siemens wincc_flexible 2004 Yes
Application siemens wincc_flexible 2005 Yes
Application siemens wincc_flexible 2007 Yes
Application siemens wincc_flexible 2008 Yes
Application siemens wincc_flexible 2008 Yes
Application siemens wincc_flexible 2008 Yes
Application siemens wincc ≤ v11 Yes
Application siemens wincc v11 Yes
Application siemens wincc v11 Yes
Application siemens simatic_hmi_panels comfort_panels Yes
Application siemens simatic_hmi_panels mobile_panels Yes
Application siemens simatic_hmi_panels mp Yes
Application siemens simatic_hmi_panels op Yes
Application siemens simatic_hmi_panels tp Yes
Application siemens wincc_runtime_advanced v11 Yes
Application siemens wincc_flexible_runtime * Yes
References