Siemens Unauthenticated Access to Critical Services in SCALANCE X-200 Switch Family (CVE-2013-5944)

critical Tenable OT Security Plugin ID 501590


The remote OT asset is affected by a vulnerability.


The integrated web server on Siemens SCALANCE X-200 switches with firmware before 4.5.0 and X-200IRT switches with firmware before 5.1.0 does not properly enforce authentication requirements, which allows remote attackers to perform administrative actions via requests to the management interface.

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Refer to the vendor advisory.

See Also

Plugin Details

Severity: Critical

ID: 501590

Version: 1.3

Type: remote

Family: Tenable.ot

Published: 8/3/2023

Updated: 12/14/2023

Supported Sensors: Tenable OT Security

Risk Information


Risk Factor: Medium

Score: 5.9


Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2013-5944


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:siemens:scalance_x-200_series_firmware:-, cpe:/o:siemens:scalance_x-200irt_series_firmware:-

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 10/3/2013

Vulnerability Publication Date: 10/3/2013

Reference Information

CVE: CVE-2013-5944

CWE: 287