High severity8.8NVD Advisory· Published Feb 17, 2021· Updated Jun 17, 2026
CVE-2020-13555
CVE-2020-13555
Description
An exploitable local privilege elevation vulnerability exists in the file system permissions of Advantech WebAccess/SCADA 9.0.1 installation. In COM Server Application Privilege Escalation, an attacker can either replace binary or loaded modules to execute code with NT SYSTEM privilege.
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Affected products
3- cpe:2.3:a:advantech:webaccess\/scada:9.0.1:*:*:*:*:*:*:*
- Advantech/WebAccess/SCADAdescription
- Range: =9.0.1
Patches
Vulnerability mechanics
References
1- talosintelligence.com/vulnerability_reports/TALOS-2020-1169nvdExploitTechnical DescriptionThird Party Advisory
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