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ID

VAR-202111-0249


CVE

CVE-2021-38420


TITLE

Delta Electronics DIALink  Vulnerability regarding improper default permissions in

Trust: 0.8

sources: JVNDB: JVNDB-2021-014639

DESCRIPTION

Delta Electronics DIALink versions 1.2.4.0 and prior default permissions give extensive permissions to low-privileged user accounts, which may allow an attacker to modify the installation directory and upload malicious files. Delta Electronics DIALink There is a vulnerability in improper default permissions.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. DIALink is a device networking platform launched by Delta Electronics, which can effectively manage CNC machine tools and PLC control machines, collect field device data and connect with the upper management platform through a unified interface, and provide visual information to reflect process parameters and equipment work. DIALink 1.2.4.0 and earlier versions have an incorrect default permission vulnerability

Trust: 2.16

sources: NVD: CVE-2021-38420 // JVNDB: JVNDB-2021-014639 // CNVD: CNVD-2021-84833

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-84833

AFFECTED PRODUCTS

vendor:deltawwmodel:dialinkscope:lteversion:1.2.4.0

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vendor:deltamodel:dialinkscope:eqversion: -

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vendor:deltamodel:dialinkscope:lteversion:1.2.4.0 and earlier

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vendor:deltamodel:electronics dialinkscope:lteversion:<=1.2.4.0

Trust: 0.6

sources: CNVD: CNVD-2021-84833 // JVNDB: JVNDB-2021-014639 // NVD: CVE-2021-38420

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-38420
value: HIGH

Trust: 1.0

ics-cert@hq.dhs.gov: CVE-2021-38420
value: HIGH

Trust: 1.0

NVD: CVE-2021-38420
value: HIGH

Trust: 0.8

CNVD: CNVD-2021-84833
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202110-1527
value: HIGH

Trust: 0.6

nvd@nist.gov: CVE-2021-38420
severity: MEDIUM
baseScore: 4.6
vectorString: AV:L/AC:L/AU:N/C:P/I:P/A:P
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 3.9
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

CNVD: CNVD-2021-84833
severity: MEDIUM
baseScore: 4.6
vectorString: AV:L/AC:L/AU:N/C:P/I:P/A:P
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 3.9
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-38420
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.8
impactScore: 5.9
version: 3.1

Trust: 2.0

OTHER: JVNDB-2021-014639
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2021-84833 // JVNDB: JVNDB-2021-014639 // CNNVD: CNNVD-202110-1527 // NVD: CVE-2021-38420 // NVD: CVE-2021-38420

PROBLEMTYPE DATA

problemtype:CWE-276

Trust: 1.0

problemtype:CWE-427

Trust: 1.0

problemtype:Inappropriate default permissions (CWE-276) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-014639 // NVD: CVE-2021-38420

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202110-1527

TYPE

code problem

Trust: 0.6

sources: CNNVD: CNNVD-202110-1527

PATCH

title:Top Pageurl:https://www.deltaww.com/en-US/index

Trust: 0.8

sources: JVNDB: JVNDB-2021-014639

EXTERNAL IDS

db:NVDid:CVE-2021-38420

Trust: 3.8

db:ICS CERTid:ICSA-21-294-02

Trust: 3.0

db:JVNid:JVNVU94767496

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db:JVNDBid:JVNDB-2021-014639

Trust: 0.8

db:CNVDid:CNVD-2021-84833

Trust: 0.6

db:AUSCERTid:ESB-2021.3528

Trust: 0.6

db:CS-HELPid:SB2021102209

Trust: 0.6

db:CNNVDid:CNNVD-202110-1527

Trust: 0.6

sources: CNVD: CNVD-2021-84833 // JVNDB: JVNDB-2021-014639 // CNNVD: CNNVD-202110-1527 // NVD: CVE-2021-38420

REFERENCES

url:https://us-cert.cisa.gov/ics/advisories/icsa-21-294-02

Trust: 2.8

url:https://nvd.nist.gov/vuln/detail/cve-2021-38420

Trust: 1.4

url:https://jvn.jp/vu/jvnvu94767496/

Trust: 0.8

url:https://www.cisa.gov/uscert/ics/advisories/icsa-21-294-02

Trust: 0.8

url:https://www.cybersecurity-help.cz/vdb/sb2021102209

Trust: 0.6

url:https://www.auscert.org.au/bulletins/esb-2021.3528

Trust: 0.6

sources: CNVD: CNVD-2021-84833 // JVNDB: JVNDB-2021-014639 // CNNVD: CNNVD-202110-1527 // NVD: CVE-2021-38420

CREDITS

Michael Heinzl reported these vulnerabilities to CISA.

Trust: 0.6

sources: CNNVD: CNNVD-202110-1527

SOURCES

db:CNVDid:CNVD-2021-84833
db:JVNDBid:JVNDB-2021-014639
db:CNNVDid:CNNVD-202110-1527
db:NVDid:CVE-2021-38420

LAST UPDATE DATE

2024-08-14T13:53:47.700000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-84833date:2022-01-18T00:00:00
db:JVNDBid:JVNDB-2021-014639date:2022-10-21T07:58:00
db:CNNVDid:CNNVD-202110-1527date:2021-11-16T00:00:00
db:NVDid:CVE-2021-38420date:2021-11-05T15:06:21.217

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-84833date:2021-11-08T00:00:00
db:JVNDBid:JVNDB-2021-014639date:2022-10-21T00:00:00
db:CNNVDid:CNNVD-202110-1527date:2021-10-21T00:00:00
db:NVDid:CVE-2021-38420date:2021-11-03T20:15:08.720