Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2011-4514

Severity CVSS v4.0:
Pending analysis
Type:
CWE-287 Authentication Issues
Publication date:
03/02/2012
Last modified:
11/04/2025

Description

The TELNET daemon in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime does not perform authentication, which makes it easier for remote attackers to obtain access via a TCP session.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 10.00 HIGH
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
10.00
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:siemens:wincc_flexible:2004:*:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc_flexible:2005:*:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc_flexible:2007:*:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc_flexible:2008:*:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc:v11:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_hmi_panels:comfort_panels:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_hmi_panels:mobile_panels:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_hmi_panels:mp:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_hmi_panels:op:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_hmi_panels:tp:*:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc_runtime_advanced:v11:*:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc_flexible_runtime:*:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools