CVE-2021-38406
Delta Electronics DOPSoft 2 Out-of-Bounds Write
- High 7.8
- Exploited: added to CISA KEV 25 Aug 2022
Description
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.
Key facts
- Published
- 17 Sep 2021
- Last changed
- 21 Oct 2025
- Assigned by
- icscert
- KEV added
- 25 Aug 2022
- KEV fix due
- 15 Sep 2022
- EPSS
- 76.428% likely to be exploited in the next 30 days, higher than 99.548% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 7.8CVSS 3.1, Highfrom the CNA (icscert)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
What to do
- DOPSoft 2 will not receive an update to mitigate these vulnerabilities because it is an end-of-life product. Delta Electronics recommends users to switch to the replacement software when availableCNA solution statement
- The impacted product is end-of-life and should be disconnected if still in use.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Delta Electronics | DOPSoft 2 |
|
Timeline
- 17 Sep 2021 Published
- 25 Aug 2022 CVE-2021-38406 added to CISA KEV
- 25 Aug 2022 Added to the CISA KEV catalogue