Details of VAR-202502-0124

ID

VAR-202502-0124

CVE

CVE-2025-24811

TITLE

Siemens SIMATIC S7-1200 CPU Family Denial of Service Vulnerability

Trust: 0.6

sources: CNVD: CNVD-2025-03037

DESCRIPTION

A vulnerability has been identified in SIMATIC S7-1200 CPU 1211C AC/DC/Rly (6ES7211-1BE40-0XB0), SIMATIC S7-1200 CPU 1211C DC/DC/DC (6ES7211-1AE40-0XB0), SIMATIC S7-1200 CPU 1211C DC/DC/Rly (6ES7211-1HE40-0XB0), SIMATIC S7-1200 CPU 1212C AC/DC/Rly (6ES7212-1BE40-0XB0), SIMATIC S7-1200 CPU 1212C DC/DC/DC (6ES7212-1AE40-0XB0), SIMATIC S7-1200 CPU 1212C DC/DC/Rly (6ES7212-1HE40-0XB0), SIMATIC S7-1200 CPU 1212FC DC/DC/DC (6ES7212-1AF40-0XB0), SIMATIC S7-1200 CPU 1212FC DC/DC/Rly (6ES7212-1HF40-0XB0), SIMATIC S7-1200 CPU 1214C AC/DC/Rly (6ES7214-1BG40-0XB0), SIMATIC S7-1200 CPU 1214C DC/DC/DC (6ES7214-1AG40-0XB0), SIMATIC S7-1200 CPU 1214C DC/DC/Rly (6ES7214-1HG40-0XB0), SIMATIC S7-1200 CPU 1214FC DC/DC/DC (6ES7214-1AF40-0XB0), SIMATIC S7-1200 CPU 1214FC DC/DC/Rly (6ES7214-1HF40-0XB0), SIMATIC S7-1200 CPU 1215C AC/DC/Rly (6ES7215-1BG40-0XB0), SIMATIC S7-1200 CPU 1215C DC/DC/DC (6ES7215-1AG40-0XB0), SIMATIC S7-1200 CPU 1215C DC/DC/Rly (6ES7215-1HG40-0XB0), SIMATIC S7-1200 CPU 1215FC DC/DC/DC (6ES7215-1AF40-0XB0), SIMATIC S7-1200 CPU 1215FC DC/DC/Rly (6ES7215-1HF40-0XB0), SIMATIC S7-1200 CPU 1217C DC/DC/DC (6ES7217-1AG40-0XB0), SIPLUS S7-1200 CPU 1212 AC/DC/RLY (6AG1212-1BE40-2XB0), SIPLUS S7-1200 CPU 1212 AC/DC/RLY (6AG1212-1BE40-4XB0), SIPLUS S7-1200 CPU 1212 DC/DC/RLY (6AG1212-1HE40-2XB0), SIPLUS S7-1200 CPU 1212 DC/DC/RLY (6AG1212-1HE40-4XB0), SIPLUS S7-1200 CPU 1212C DC/DC/DC (6AG1212-1AE40-2XB0), SIPLUS S7-1200 CPU 1212C DC/DC/DC (6AG1212-1AE40-4XB0), SIPLUS S7-1200 CPU 1212C DC/DC/DC RAIL (6AG2212-1AE40-1XB0), SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-2XB0), SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-4XB0), SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-5XB0), SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-2XB0), SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-4XB0), SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-5XB0), SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-2XB0), SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-4XB0), SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-5XB0), SIPLUS S7-1200 CPU 1214C DC/DC/DC RAIL (6AG2214-1AG40-1XB0), SIPLUS S7-1200 CPU 1214FC DC/DC/DC (6AG1214-1AF40-5XB0), SIPLUS S7-1200 CPU 1214FC DC/DC/RLY (6AG1214-1HF40-5XB0), SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-2XB0), SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-4XB0), SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-5XB0), SIPLUS S7-1200 CPU 1215 DC/DC/DC (6AG1215-1AG40-2XB0), SIPLUS S7-1200 CPU 1215 DC/DC/DC (6AG1215-1AG40-4XB0), SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-2XB0), SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-4XB0), SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-5XB0), SIPLUS S7-1200 CPU 1215C DC/DC/DC (6AG1215-1AG40-5XB0), SIPLUS S7-1200 CPU 1215FC DC/DC/DC (6AG1215-1AF40-5XB0). 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. SIMATIC S7-1200 CPU products are designed for discrete and continuous control in industrial environments such as global manufacturing, food and beverage, and chemical industries. Siemens SIMATIC S7-1200 CPU Family V4.7 and earlier versions have a denial of service vulnerability that can be exploited by attackers to cause a denial of service

Trust: 1.44

sources: NVD: CVE-2025-24811 // CNVD: CNVD-2025-03037

IOT TAXONOMY

category:

['ICS']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-03037

AFFECTED PRODUCTS

vendor:

siemens

model:

simatic s7-1200 cpu family

scope:

version:

v4<4.7

Trust: 0.6

sources: CNVD: CNVD-2025-03037

CVSS

SEVERITY

CVSSV2

CVSSV3

productcert@siemens.com:	CVE-2025-24811
value:	HIGH
Trust: 1.0
CNVD:	CNVD-2025-03037
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2025-03037
severity:	HIGH
baseScore:	7.8
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	6.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

productcert@siemens.com:	CVE-2025-24811
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.1
Trust: 1.0

sources: CNVD: CNVD-2025-03037 // NVD: CVE-2025-24811

PROBLEMTYPE DATA

problemtype:

CWE-404

Trust: 1.0

sources: NVD: CVE-2025-24811

PATCH

title:

Patch for Siemens SIMATIC S7-1200 CPU Family Denial of Service Vulnerability

url:

https://www.cnvd.org.cn/patchInfo/show/656531

Trust: 0.6

sources: CNVD: CNVD-2025-03037

EXTERNAL IDS

db:	NVD	id:	CVE-2025-24811	Trust: 1.6
db:	SIEMENS	id:	SSA-224824	Trust: 1.6
db:	CNVD	id:	CNVD-2025-03037	Trust: 0.6

sources: CNVD: CNVD-2025-03037 // NVD: CVE-2025-24811

REFERENCES

url:

https://cert-portal.siemens.com/productcert/html/ssa-224824.html

Trust: 1.6

sources: CNVD: CNVD-2025-03037 // NVD: CVE-2025-24811

SOURCES

db:	CNVD	id:	CNVD-2025-03037
db:	NVD	id:	CVE-2025-24811

LAST UPDATE DATE

2025-02-20T22:45:25.767000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-03037	date:	2025-02-18T00:00:00
db:	NVD	id:	CVE-2025-24811	date:	2025-02-11T11:15:16.907

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-03037	date:	2025-02-18T00:00:00
db:	NVD	id:	CVE-2025-24811	date:	2025-02-11T11:15:16.907