CVE-2021-38431 - CVE House
Back to Database
Status published Medium CVE-2021-38431

Advantech WebAccess SCADA

Vulnerability Description

An authenticated user using Advantech WebAccess SCADA in versions 9.0.3 and prior can use API functions to disclose project names and paths from other users.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-38431

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Peter Cheng from ELEX FEIGONG RESEARCH INSTITUTE of Elex CyberSecurity, Inc., reported this vulnerability to CISA.

References

More from Advantech

View All →
CVE-2025-67653
Advantech WebAccess/SCADA Path Traversal
Medium 5.3
CVE-2025-64302
Advantech DeviceOn/iEdge Cross-site Scripting
Medium 5.3
CVE-2025-62630
Advantech DeviceOn/iEdge Path Traversal
High 8.7
CVE-2025-59171
Advantech DeviceOn/iEdge Path Traversal
High 8.7
CVE-2025-58423
Advantech DeviceOn/iEdge Path Traversal
High 8.7

Affected Vendor

Affected Software

WebAccess SCADA
Vulnerable Versions:
All

Timeline

Official Publish: October 15th, 2021
Last Modified: September 16th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

CWE-862

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1078 Valid Accounts
Persistence
T1531 Account Access Removal
Impact