What is the severity of CVE-2021-32943?

CVE-2021-32943 is classified as a critical vulnerability due to its potential for remote code execution.

How do I fix CVE-2021-32943?

To mitigate CVE-2021-32943, upgrade your WebAccess/SCADA software to versions 8.4.5 or 9.0.1 or later.

What products are affected by CVE-2021-32943?

CVE-2021-32943 affects Advantech WebAccess/SCADA versions prior to 8.4.5 and prior to 9.0.1.

What type of vulnerability is CVE-2021-32943?

CVE-2021-32943 is a stack-based buffer overflow vulnerability.

Can CVE-2021-32943 be exploited remotely?

Yes, CVE-2021-32943 can be exploited remotely, allowing attackers to execute arbitrary code.

Vulnerability/
CVE-2021-32943

critical

9.8

CWE

787 121 119

10/8/2021

3/8/2024

CVE-2021-32943: Buffer Overflow

First published: Tue Aug 10 2021(Updated: )

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).

Credit: ics-cert@hq.dhs.gov

Affected Software	Affected Version	How to fix
Advantech WebAccess/SCADA versions prior to 8.4.5
Advantech WebAccess/SCADA versions prior to 9.0.1
Advantech WebAccess/SCADA	<8.4.5
Advantech WebAccess/SCADA	>=9.0<9.0.1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

ICSA-21-217-04

Frequently Asked Questions

What is the severity of CVE-2021-32943?
CVE-2021-32943 is classified as a critical vulnerability due to its potential for remote code execution.
How do I fix CVE-2021-32943?
To mitigate CVE-2021-32943, upgrade your WebAccess/SCADA software to versions 8.4.5 or 9.0.1 or later.
What products are affected by CVE-2021-32943?
CVE-2021-32943 affects Advantech WebAccess/SCADA versions prior to 8.4.5 and prior to 9.0.1.
What type of vulnerability is CVE-2021-32943?
CVE-2021-32943 is a stack-based buffer overflow vulnerability.
Can CVE-2021-32943 be exploited remotely?
Yes, CVE-2021-32943 can be exploited remotely, allowing attackers to execute arbitrary code.

agent/type
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collector/ics-cert-advisory
source/ICS
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agent/software-canonical-lookup-request
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/first-publish-date
agent/event
agent/trending
agent/source
agent/tags
collector/nvd-index
vendor/advantech
canonical/advantech webaccess/scada versions prior to 8.4.5
canonical/advantech webaccess/scada versions prior to 9.0.1
canonical/advantech webaccess/scada
version/advantech webaccess/scada/9.0

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