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ID

VAR-202507-0163


CVE

CVE-2025-40593


TITLE

Siemens'  simatic cn 4100  Input verification vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2025-012193

DESCRIPTION

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0). The affected application allows to control the device by storing arbitrary files in the SFTP folder of the device. This could allow an attacker to cause a denial of service condition. Siemens' simatic cn 4100 There is an input validation vulnerability in.Service operation interruption (DoS) It may be in a state. Siemens SIMATIC CN 4100 is a communication node of Siemens, a German company

Trust: 2.16

sources: NVD: CVE-2025-40593 // JVNDB: JVNDB-2025-012193 // CNVD: CNVD-2025-16622

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-16622

AFFECTED PRODUCTS

vendor:siemensmodel:simatic cn 4100scope:ltversion:4.0

Trust: 1.0

vendor:シーメンスmodel:simatic cn 4100scope:eqversion:4.0

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vendor:シーメンスmodel:simatic cn 4100scope:eqversion: -

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vendor:シーメンスmodel:simatic cn 4100scope: - version: -

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vendor:siemensmodel:simatic cnscope:eqversion:4100<v4.0

Trust: 0.6

sources: CNVD: CNVD-2025-16622 // JVNDB: JVNDB-2025-012193 // NVD: CVE-2025-40593

CVSS

SEVERITY

CVSSV2

CVSSV3

productcert@siemens.com: CVE-2025-40593
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-012193
value: MEDIUM

Trust: 0.8

CNVD: CNVD-2025-16622
value: MEDIUM

Trust: 0.6

CNVD: CNVD-2025-16622
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:L/AU:S/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

productcert@siemens.com: CVE-2025-40593
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 3.6
version: 3.1

Trust: 1.0

OTHER: JVNDB-2025-012193
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2025-16622 // JVNDB: JVNDB-2025-012193 // NVD: CVE-2025-40593

PROBLEMTYPE DATA

problemtype:CWE-20

Trust: 1.0

problemtype:Inappropriate input confirmation (CWE-20) [ others ]

Trust: 0.8

sources: JVNDB: JVNDB-2025-012193 // NVD: CVE-2025-40593

PATCH

title:Patch for Siemens SIMATIC CN 4100 Input Validation Error Vulnerability (CNVD-2025-16622)url:https://www.cnvd.org.cn/patchInfo/show/711131

Trust: 0.6

sources: CNVD: CNVD-2025-16622

EXTERNAL IDS

db:NVDid:CVE-2025-40593

Trust: 3.2

db:SIEMENSid:SSA-626991

Trust: 2.4

db:ICS CERTid:ICSA-25-191-04

Trust: 0.8

db:JVNid:JVNVU99667406

Trust: 0.8

db:JVNDBid:JVNDB-2025-012193

Trust: 0.8

db:CNVDid:CNVD-2025-16622

Trust: 0.6

sources: CNVD: CNVD-2025-16622 // JVNDB: JVNDB-2025-012193 // NVD: CVE-2025-40593

REFERENCES

url:https://cert-portal.siemens.com/productcert/html/ssa-626991.html

Trust: 2.4

url:https://jvn.jp/vu/jvnvu99667406/

Trust: 0.8

url:https://nvd.nist.gov/vuln/detail/cve-2025-40593

Trust: 0.8

url:https://www.cisa.gov/news-events/ics-advisories/icsa-25-191-04

Trust: 0.8

sources: CNVD: CNVD-2025-16622 // JVNDB: JVNDB-2025-012193 // NVD: CVE-2025-40593

SOURCES

db:CNVDid:CNVD-2025-16622
db:JVNDBid:JVNDB-2025-012193
db:NVDid:CVE-2025-40593

LAST UPDATE DATE

2025-08-26T19:39:24.840000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-16622date:2025-07-22T00:00:00
db:JVNDBid:JVNDB-2025-012193date:2025-08-25T01:09:00
db:NVDid:CVE-2025-40593date:2025-08-21T15:12:53.040

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-16622date:2025-07-22T00:00:00
db:JVNDBid:JVNDB-2025-012193date:2025-08-25T00:00:00
db:NVDid:CVE-2025-40593date:2025-07-08T11:15:29.473