CVE-2020-27293: Delta Industrial Automation CNCSoft-B DOPSoft DPA File Parsing Type Confusion Remote Code Execution Vulnerability
Delta Electronics CNCSoft-B Versions 1.0.0.2 and prior has a type confusion issue while processing project files, 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. 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 by the DOPSoft program. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2020-27293?
The severity of CVE-2020-27293 is high with a score of 7.8.
How does CVE-2020-27293 allow remote code execution?
CVE-2020-27293 allows remote attackers to execute arbitrary code on affected installations of Delta Industrial Automation CNCSoft-B by exploiting a type confusion vulnerability and tricking the user into visiting a malicious page or opening a malicious file.
Which software versions are affected by CVE-2020-27293?
CVE-2020-27293 affects Delta Industrial Automation CNCSoft-B version 1.0.0.2.
What is the Common Weakness Enumeration (CWE) ID for CVE-2020-27293?
The CWE ID for CVE-2020-27293 is 843.
Where can I find more information about CVE-2020-27293?
You can find more information about CVE-2020-27293 at the following references: [1](https://us-cert.cisa.gov/ics/advisories/icsa-21-007-04) and [2](https://www.zerodayinitiative.com/advisories/ZDI-21-045/).