CVE-2021-32943

Published: Aug 10, 2021Modified: Jun 17, 2026

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

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).

Affected (2)

Products: Advantech: Webaccess/scada

Advantech

1 product

Webaccess/scada

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Advantech Webaccess/scada	Before 8.4.5
Advantech Webaccess/scada	From 9.0 to 9.0.1

Related CWEs

CWE-121

Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (2)

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

Source: ics-cert@hq.dhs.gov

Third Party AdvisoryUS Government Resource

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

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryUS Government Resource

Timeline

No history available yet.