Local Privilege Elevation Vulnerability in Advantech WebAccess/SCADA by Advantech
CVE-2020-13553

8.8HIGH

Key Information:

Vendor

Advantech
Status
Advantech
Vendor
CVE Published:
17 February 2021

What is CVE-2020-13553?

An exploitable local privilege elevation vulnerability exists in the file system permissions of Advantech WebAccess/SCADA 9.0.1. This vulnerability allows an attacker to manipulate the webvrpcs Run Key in the installation directory, enabling the replacement of binaries or loaded modules. This manipulation can grant the attacker NT SYSTEM privileges, allowing execution of arbitrary code which may lead to unauthorized access and control over the system.

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Affected Version(s)

Advantech Advantech WebAccess/SCADA 9.0.1

References

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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