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CRITICAL · 9.8

CVE-2021-32943

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, Web...

Vulnerability 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).

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
AdvantechWebaccess\/Scada< 8.4.5

Related Weaknesses (CWE)

CWE-121CWE-787

References

FAQ

What is CVE-2021-32943?

CVE-2021-32943 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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, Web...

How severe is CVE-2021-32943?

CVE-2021-32943 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-32943?

Check the references section above for vendor advisories and patch information. Affected products include: Advantech Webaccess\/Scada.