CVE-2020-13555

HIGH

Advantech WebAccess/SCADA 9.0.1 - Local Privilege Escalation via Insecure File Permissions

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Exploit, Technical Description, Third Party Advisory x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1169

Scores

CVSS v3 8.8
EPSS 0.0006
EPSS Percentile 17.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-276
Status published
Products (1)
advantech/webaccess\/scada 9.0.1
Published Feb 17, 2021
Tracked Since Feb 18, 2026