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ID

VAR-202201-0858


CVE

CVE-2021-40389


TITLE

Advantech DeviceOn/iEdge Server  Vulnerability regarding improper default permissions in

Trust: 0.8

sources: JVNDB: JVNDB-2022-004462

DESCRIPTION

A privilege escalation vulnerability exists in the installation of Advantech DeviceOn/iEdge Server 1.0.2. A specially-crafted file can be replaced in the system to escalate privileges to NT SYSTEM authority. An attacker can provide a malicious file to trigger this vulnerability. Advantech DeviceOn/iEdge Server 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. Advantech DeviceOn/iEdge Server is an intelligent software for industrial equipment, which enables non-intelligent equipment to have IoT connection management capabilities

Trust: 1.71

sources: NVD: CVE-2021-40389 // JVNDB: JVNDB-2022-004462 // VULHUB: VHN-401738

AFFECTED PRODUCTS

vendor:advantechmodel:deviceon\/iedgescope:eqversion:1.0.2

Trust: 1.0

vendor:アドバンテック株式会社model:deviceon/iedgescope:eqversion:1.0.2

Trust: 0.8

vendor:アドバンテック株式会社model:deviceon/iedgescope:eqversion: -

Trust: 0.8

sources: JVNDB: JVNDB-2022-004462 // NVD: CVE-2021-40389

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-40389
value: HIGH

Trust: 1.0

talos-cna@cisco.com: CVE-2021-40389
value: HIGH

Trust: 1.0

NVD: CVE-2021-40389
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202201-1581
value: HIGH

Trust: 0.6

VULHUB: VHN-401738
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-40389
severity: HIGH
baseScore: 7.2
vectorString: AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 3.9
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

VULHUB: VHN-401738
severity: HIGH
baseScore: 7.2
vectorString: AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 3.9
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

talos-cna@cisco.com: CVE-2021-40389
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: CHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.0
impactScore: 6.0
version: 3.0

Trust: 1.8

nvd@nist.gov: CVE-2021-40389
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: CHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.0
impactScore: 6.0
version: 3.1

Trust: 1.0

sources: VULHUB: VHN-401738 // JVNDB: JVNDB-2022-004462 // CNNVD: CNNVD-202201-1581 // NVD: CVE-2021-40389 // NVD: CVE-2021-40389

PROBLEMTYPE DATA

problemtype:CWE-276

Trust: 1.1

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

Trust: 0.8

sources: VULHUB: VHN-401738 // JVNDB: JVNDB-2022-004462 // NVD: CVE-2021-40389

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202201-1581

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202201-1581

PATCH

title:Top Pageurl:https://www.advantech.com/en

Trust: 0.8

title:Advantech Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=178448

Trust: 0.6

sources: JVNDB: JVNDB-2022-004462 // CNNVD: CNNVD-202201-1581

EXTERNAL IDS

db:NVDid:CVE-2021-40389

Trust: 3.3

db:TALOSid:TALOS-2021-1400

Trust: 2.5

db:JVNDBid:JVNDB-2022-004462

Trust: 0.8

db:CS-HELPid:SB2022011913

Trust: 0.6

db:CNNVDid:CNNVD-202201-1581

Trust: 0.6

db:CNVDid:CNVD-2022-73124

Trust: 0.1

db:VULHUBid:VHN-401738

Trust: 0.1

sources: VULHUB: VHN-401738 // JVNDB: JVNDB-2022-004462 // CNNVD: CNNVD-202201-1581 // NVD: CVE-2021-40389

REFERENCES

url:https://talosintelligence.com/vulnerability_reports/talos-2021-1400

Trust: 3.1

url:https://nvd.nist.gov/vuln/detail/cve-2021-40389

Trust: 1.4

url:https://www.cybersecurity-help.cz/vdb/sb2022011913

Trust: 0.6

sources: VULHUB: VHN-401738 // JVNDB: JVNDB-2022-004462 // CNNVD: CNNVD-202201-1581 // NVD: CVE-2021-40389

CREDITS

Discovered by Yuri Kramarz of Cisco Talos.

Trust: 0.6

sources: CNNVD: CNNVD-202201-1581

SOURCES

db:VULHUBid:VHN-401738
db:JVNDBid:JVNDB-2022-004462
db:CNNVDid:CNNVD-202201-1581
db:NVDid:CVE-2021-40389

LAST UPDATE DATE

2024-11-23T21:33:17.614000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-401738date:2022-05-31T00:00:00
db:JVNDBid:JVNDB-2022-004462date:2023-04-12T07:51:00
db:CNNVDid:CNNVD-202201-1581date:2022-06-01T00:00:00
db:NVDid:CVE-2021-40389date:2024-11-21T06:24:01.370

SOURCES RELEASE DATE

db:VULHUBid:VHN-401738date:2022-01-28T00:00:00
db:JVNDBid:JVNDB-2022-004462date:2023-04-12T00:00:00
db:CNNVDid:CNNVD-202201-1581date:2022-01-18T00:00:00
db:NVDid:CVE-2021-40389date:2022-01-28T20:15:11.400