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CVE-2021-38406

Delta Electronics DOPSoft 2 Improper Input Validation

7.8 HIGHActively exploited (CISA KEV)EPSS 76.4%
  1. Published17 Sept 2021
  2. Added to CISA KEV25 Aug 2022
  3. Remediation due15 Sept 2022
Actively exploited (CISA KEV)

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.

Added to KEV: 25 Aug 2022Federal remediation due: 15 Sept 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.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Deltaww Dopsoft≥ 2.00 ≤ 2.00.07

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2021-38406 being actively exploited?

Yes. CVE-2021-38406 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 25 Aug 2022.

How severe is CVE-2021-38406?

CVE-2021-38406 has a CVSS 3.1 base score of 7.8, rated high. EPSS estimates a 76.4% probability of exploitation.

Which products are affected by CVE-2021-38406?

Affected products include Deltaww Dopsoft.

How do I fix CVE-2021-38406?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2021-38406 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.