CVE-2021-38406: Delta Electronics DOPSoft 2 Improper Input Validation Vulnerability
Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could result in multiple out-of-bounds write instances. An attacker could leverage this vulnerability to execute code in the context of the current process.
Other sources
Delta Electronics DOPSoft 2 lacks proper validation of user-supplied data when parsing specific project files (improper input validation) resulting in an out-of-bounds write that allows for code execution.
— CISA
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Compensating control
Disconnect Delta Electronic DOPSoft 2 from the network if it is still in use, since it is end-of-life and will not receive updates to mitigate these vulnerabilities.
- Compensating control
Switch to the replacement software when available (Delta Electronics recommends moving off DOPSoft 2, which will not be updated).
Event History
Frequently Asked Questions
What is CVE-2021-38406?
CVE-2021-38406 is a vulnerability in Delta Electronics DOPSoft 2 (Version 2.00.07 and prior) that allows for improper input validation of user-supplied data when parsing specific project files.
What is the impact of CVE-2021-38406?
The impact of CVE-2021-38406 is multiple out-of-bounds write instances, which could allow an attacker to execute code in the context of the current process.
How severe is CVE-2021-38406?
CVE-2021-38406 has a severity rating of 7.8 (High).
How can I fix CVE-2021-38406?
Currently, there is no known fix for CVE-2021-38406. It is recommended to update to the latest version of Delta Electronics DOPSoft 2 when it becomes available.
Where can I find more information about CVE-2021-38406?
You can find more information about CVE-2021-38406 on the following references: [CISA Advisory](https://www.cisa.gov/uscert/ics/advisories/icsa-21-252-02) and [US-CERT Advisory](https://us-cert.cisa.gov/ics/advisories/icsa-21-252-02).