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

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CVE-2013-5709

Severity CVSS v4.0:
Pending analysis
Type:
CWE-189 Numeric Errors
Publication date:
17/09/2013
Last modified:
11/04/2025

Description

The authentication implementation in the web server on Siemens SCALANCE X-200 switches with firmware before 5.0.0 does not use a sufficient source of entropy for generating values of random numbers, which makes it easier for remote attackers to hijack sessions by predicting a value.

Impact

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

Base Score: 8.30 HIGH
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:C

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

Base Score 2.0
8.30
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:siemens:scalance_x-200_series_firmware:*:*:*:*:*:*:*:* 4.4 (including)
cpe:2.3:o:siemens:scalance_x-200_series_firmware:4.3:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x-200:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x-200rna:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x200-4p_irt:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x201-3p_irt:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x201-3p_irt:-:-:pro:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x202-2irt:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x202-2p_irt:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x202-2p_irt:-:-:pro:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x204irt:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_x204irt:-:-:pro:*:*:*:*:*
cpe:2.3:h:siemens:scalance_xf-200:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools