CVE-2021-22672: Delta Industrial Automation CNCSoft ScreenEditor DPB File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Published May 10, 2021
·
Updated

Delta Electronics' CNCSoft ScreenEditor in versions prior to v1.01.30 could allow the corruption of data, a denial-of-service condition, or code execution. The vulnerability may allow an attacker to remotely execute arbitrary code.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Delta Industrial Automation CNCSoft ScreenEditor. 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 DPB files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated object. An attacker can leverage this vulnerability to execute code in the context of the current process.

Affected Software

3 affected components
Delta Electronics CNCSoft ScreenEditor versions prior to v1.01.30
Delta Industrial Automation CNCSoft ScreenEditor
Deltaww Cncsoft Screeneditor<1.01.30

Event History

May 10, 2021
CVE Published
via MITRE·12:29 PM
Data Sourced
via MITRE·12:29 PM
DescriptionWeakness
Feb 21, 2025
Advisory Published
via ZDI·11:29 PM

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the vulnerability ID for this vulnerability?

The vulnerability ID for this vulnerability is CVE-2021-22672.

2

What is the severity level of CVE-2021-22672?

The severity level of CVE-2021-22672 is high.

3

What software is affected by CVE-2021-22672?

Delta Industrial Automation CNCSoft ScreenEditor versions up to and excluding 1.01.30 are affected by CVE-2021-22672.

4

How can CVE-2021-22672 be exploited?

CVE-2021-22672 can be exploited by remote attackers executing arbitrary code on affected installations of Delta Industrial Automation CNCSoft ScreenEditor through user interaction with a malicious page or file.

5

Are there any references available for CVE-2021-22672?

Yes, you can find references for CVE-2021-22672 at the following links: - [US-CERT Advisory](https://us-cert.cisa.gov/ics/advisories/icsa-21-124-02) - [Zero Day Initiative Advisory](https://www.zerodayinitiative.com/advisories/ZDI-21-524/)

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