Privilege Escalation Vulnerability in Advantech DeviceOn/iService
CVE-2021-40396

8.8HIGH

Key Information:

Vendor

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

What is CVE-2021-40396?

A privilege escalation vulnerability in Advantech DeviceOn/iService version 1.1.7 allows attackers to gain elevated permissions by replacing a specially-crafted file in the system. This unauthorized access to NT SYSTEM authority poses significant security risks, enabling potential malicious activities.

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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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