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ID

VAR-202401-0197


CVE

CVE-2023-49621


TITLE

Siemens'  simatic cn 4100  Default Credentials Usage Vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2023-024617

DESCRIPTION

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). The "intermediate installation" system state of the affected application uses default credential with admin privileges. An attacker could use the credentials to gain complete control of the affected device. Siemens' simatic cn 4100 contains a vulnerability related to the use of default credentials.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. SIMATIC CN 4100 is a communication node that can connect to third-party systems

Trust: 2.16

sources: NVD: CVE-2023-49621 // JVNDB: JVNDB-2023-024617 // CNVD: CNVD-2024-01395

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2024-01395

AFFECTED PRODUCTS

vendor:siemensmodel:simatic cn 4100scope:ltversion:2.7

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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:eqversion:2.7

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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<2.7

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sources: CNVD: CNVD-2024-01395 // JVNDB: JVNDB-2023-024617 // NVD: CVE-2023-49621

CVSS

SEVERITY

CVSSV2

CVSSV3

productcert@siemens.com: CVE-2023-49621
value: CRITICAL

Trust: 1.0

OTHER: JVNDB-2023-024617
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2024-01395
value: HIGH

Trust: 0.6

CNVD: CNVD-2024-01395
severity: HIGH
baseScore: 10.0
vectorString: AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

productcert@siemens.com: CVE-2023-49621
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 1.0

OTHER: JVNDB-2023-024617
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2024-01395 // JVNDB: JVNDB-2023-024617 // NVD: CVE-2023-49621

PROBLEMTYPE DATA

problemtype:CWE-1392

Trust: 1.0

problemtype:Using default credentials (CWE-1392) [ others ]

Trust: 0.8

sources: JVNDB: JVNDB-2023-024617 // NVD: CVE-2023-49621

PATCH

title:Patch for Siemens SIMATIC CN 4100 uses default credentials vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/514131

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sources: CNVD: CNVD-2024-01395

EXTERNAL IDS

db:NVDid:CVE-2023-49621

Trust: 3.2

db:SIEMENSid:SSA-777015

Trust: 2.4

db:JVNid:JVNVU92179258

Trust: 0.8

db:ICS CERTid:ICSA-24-011-09

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db:JVNDBid:JVNDB-2023-024617

Trust: 0.8

db:CNVDid:CNVD-2024-01395

Trust: 0.6

sources: CNVD: CNVD-2024-01395 // JVNDB: JVNDB-2023-024617 // NVD: CVE-2023-49621

REFERENCES

url:https://cert-portal.siemens.com/productcert/pdf/ssa-777015.pdf

Trust: 1.8

url:https://jvn.jp/vu/jvnvu92179258/

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url:https://nvd.nist.gov/vuln/detail/cve-2023-49621

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url:https://www.cisa.gov/news-events/ics-advisories/icsa-24-011-09

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url:https://cert-portal.siemens.com/productcert/html/ssa-777015.html

Trust: 0.6

sources: CNVD: CNVD-2024-01395 // JVNDB: JVNDB-2023-024617 // NVD: CVE-2023-49621

SOURCES

db:CNVDid:CNVD-2024-01395
db:JVNDBid:JVNDB-2023-024617
db:NVDid:CVE-2023-49621

LAST UPDATE DATE

2025-03-14T22:46:16.823000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2024-01395date:2024-01-10T00:00:00
db:JVNDBid:JVNDB-2023-024617date:2024-02-01T02:53:00
db:NVDid:CVE-2023-49621date:2024-01-11T22:46:50.263

SOURCES RELEASE DATE

db:CNVDid:CNVD-2024-01395date:2024-01-10T00:00:00
db:JVNDBid:JVNDB-2023-024617date:2024-02-01T00:00:00
db:NVDid:CVE-2023-49621date:2024-01-09T10:15:20.503