Siemens SIMATIC S7-1200 CPU Family Improper Resource Shutdown or Release (CVE-2025-24811)

high Tenable OT Security Plugin ID 502857

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Affected devices do not process correctly certain special crafted packets sent to port 80/tcp, which could allow an unauthenticated attacker to cause a denial of service in the device.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

Plugin Details

Severity: High

ID: 502857

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 2/18/2025

Updated: 2/19/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2025-24811

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Temporal Vector: CVSS:3.0/E:U/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 Ease: No known exploits are available

Patch Publication Date: 2/11/2025

Vulnerability Publication Date: 2/11/2025

Reference Information

CVE: CVE-2025-24811

CWE: 404

ICSA: 25-044-01

Detections

Analytics