CVE-2021-32943

9.8 criticalEPSS 1.9%

Critical (9.8) in advantech webaccess\/scada. EPSS 1.9% chance of exploitation in the next 30 days.

The affected product is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code on the WebAccess/SCADA (WebAccess/SCADA versions prior to 8.4.5, WebAccess/SCADA versions prior to 9.0.1).

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: 1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)
CWEs: CWE-787, CWE-121
Published: 2021-08-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

advantech:webaccess\/scada

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-217-04
https://us-cert.cisa.gov/ics/advisories/icsa-21-217-04

Check your stack JSON