CVE-2020-13555

HighCVSS 8.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-276

Affected software

VendorProductVersions
n/aAdvantechAdvantech WebAccess/SCADA 9.0.1

References

Timeline

Published
Feb 17, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-13555: High severity, CVSS 8.8 | Vulnix