CVE-2023-32540

9.8 criticalEPSS 0.9%

Critical (9.8) in advantech webaccess\/scada. EPSS 0.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)
CWE: CWE-94
Published: 2023-06-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

advantech:webaccess\/scada

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-152-01
https://www.cisa.gov/news-events/ics-advisories/icsa-23-152-01

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