Privilege Escalation Vulnerability in Advantech DeviceOn/iEdge Server
CVE-2021-40389

8.8HIGH

Key Information:

Vendor

Advantech
Status
Deviceon\/iedge
Vendor
CVE Published:
28 January 2022

What is CVE-2021-40389?

A privilege escalation flaw in Advantech DeviceOn/iEdge Server 1.0.2 allows attackers to gain elevated permissions by replacing a specially-crafted file. This vulnerability enables the intruder to execute malicious actions under the NT SYSTEM authority, potentially compromising the entire system. Timely updating and securing file operations are critical to mitigate this risk.

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References

https://talosintelligence.com/vulnerability_reports/TALOS...
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

CVSS V3.0

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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