CVE-2021-22660: Delta Industrial Automation CNCSoft-B DOPSoft DPA File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability

Published Apr 27, 2021
·
Updated

CNCSoft-B Versions 1.0.0.3 and prior is vulnerable to an out-of-bounds read, which may allow an attacker to execute arbitrary code.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Delta Industrial Automation CNCSoft-B DOPSoft. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of DPA files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

Affected Software

3 affected components
Delta Electronics CNCSoft-B Versions 1.0.0.3 and prior
Criticalmanufacturing Cncsoft-b<=1.0.0.3
Delta Industrial Automation CNCSoft-B DOPSoft

Event History

Apr 27, 2021
CVE Published
via MITRE·12:26 PM
Data Sourced
via MITRE·12:26 PM
DescriptionWeakness
Mar 26, 2025
Advisory Published
via ZDI·12:52 AM

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the vulnerability ID for this Delta Industrial Automation CNCSoft-B DOPSoft vulnerability?

The vulnerability ID for this Delta Industrial Automation CNCSoft-B DOPSoft vulnerability is CVE-2021-22660.

2

What is the severity of CVE-2021-22660?

The severity of CVE-2021-22660 is high with a severity value of 7.8.

3

How can remote attackers exploit CVE-2021-22660?

Remote attackers can exploit CVE-2021-22660 by executing arbitrary code on affected installations of Delta Industrial Automation CNCSoft-B DOPSoft. User interaction is required by visiting a malicious page or opening a malicious file.

4

Which software is affected by CVE-2021-22660?

Delta Industrial Automation CNCSoft-B DOPSoft versions up to and including 1.0.0.3 are affected by CVE-2021-22660.

5

How can I fix the Delta Industrial Automation CNCSoft-B DOPSoft vulnerability (CVE-2021-22660)?

To fix the Delta Industrial Automation CNCSoft-B DOPSoft vulnerability (CVE-2021-22660), it is recommended to apply the latest security patches or updates provided by Delta Industrial Automation.

Contact

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