Siemens SIMATIC S7-1200 HTTP Response Splitting (CVE-2014-2909)

medium Tenable OT Security Plugin ID 500140


The remote OT asset is affected by a vulnerability.


CRLF injection vulnerability in the integrated web server on Siemens SIMATIC S7-1200 CPU devices 2.x and 3.x allows remote attackers to inject arbitrary HTTP headers via unspecified vectors.

This plugin only works with Tenable.ot.
Please visit for more information.


Refer to the vendor advisory.

See Also

Plugin Details

Severity: Medium

ID: 500140

Version: 1.5

Type: remote

Family: Tenable.ot

Published: 2/7/2022

Updated: 12/14/2023

Supported Sensors: Tenable OT Security

Risk Information


Risk Factor: Low

Score: 2.5


Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS Score Source: CVE-2014-2909


Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: cpe:/o:siemens:simatic_s7_cpu_1200_firmware:2.0, cpe:/o:siemens:simatic_s7_cpu_1200_firmware:3.0, cpe:/o:siemens:simatic_s7_cpu_1200_firmware:3.0.2

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 4/25/2014

Vulnerability Publication Date: 4/25/2014

Reference Information

CVE: CVE-2014-2909

CWE: 94