CVE-2023-32540 - CVE House
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Status published High CVE-2023-32540

In Advantech WebAccss/SCADA v9.1.3 and prior, there is an arbitrary...

Vulnerability Description

In Advantech WebAccss/SCADA v9.1.3 and prior, there is an arbitrary file overwrite vulnerability, which could allow an attacker to overwrite any file in the operating system (including system files), inject code into an XLS file, and modify the file extension, which could lead to arbitrary code execution.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

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

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Credits & Attribution

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

  • YangLiu from Elex Feigong Research Institute reported these vulnerabilities to CISA.

References

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Affected Vendor

Affected Software

WebAccess/SCADA
Vulnerable Versions:
0

Timeline

Official Publish: June 5th, 2023
Last Modified: January 8th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

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

Weaknesses (CWE)

CWE-94

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1059 Command and Scripting Interpreter
Execution
T1505.003 Web Shell
Persistence
T1105 Ingress Tool Transfer
Command and Control
T1565.002 Stored Data Manipulation
Impact