Siemens SIMATIC S7-1200 CPUs Cross-Site Request Forgery (CVE-2024-47100)

high Tenable OT Security Plugin ID 502813

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The web interface of the affected devices is vulnerable to Cross-Site Request Forgery (CSRF) attacks. This could allow an unauthenticated attacker to change the CPU mode by tricking a legitimate and authenticated user with sufficient permissions on the target CPU to click on a malicious link.

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Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

Siemens has released new versions for the affected products and recommends updating to the latest versions:

- SIMATIC S7-1200 CPU: Update to V4.7 or later version.
- SIPLUS S7-1200 CPU: Update to V4.7 or later version.

Siemens has identified the following specific workarounds and mitigations users can apply to reduce risk:

- Do not click on links from untrusted sources.

As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens' operational guidelines for industrial security and following recommendations in the product manuals.

Additional information on industrial security by Siemens can be found on the Siemens industrial security webpage

For more information see the associated Siemens security advisory SSA-717113 in HTML and CSAF.

Plugin Details

Severity: High

ID: 502813

File Name: tenable_ot_siemens_CVE-2024-47100.nasl

Version: 1.4

Type: remote

Family: Tenable.ot

Published: 1/22/2025

Updated: 2/14/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.0

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2024-47100

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.4

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

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

Vulnerability Information

CPE: cpe:/o:siemens:siplus_s7-1200_cpu_firmware:4.7, cpe:/o:siemens:simatic_s7-1200_cpu_firmware:4.7

Required KB Items: Tenable.ot/Siemens

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/14/2025

Vulnerability Publication Date: 1/14/2025

Reference Information

CVE: CVE-2024-47100

CWE: 352

ICSA: 25-021-02

Detections

Analytics