How severe is CVE-2021-38406?

CVE-2021-38406 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-38406 being actively exploited?

Yes. CVE-2021-38406 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-08-25, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2021-38406?

CVE-2021-38406 affects Deltaww Dopsoft. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-38406?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2021-38406 have an EU (EUVD) identifier?

Yes. CVE-2021-38406 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-24858. It is also flagged as exploited in the EUVD (since 2022-08-25).

When was CVE-2021-38406 published?

CVE-2021-38406 was published on 2021-09-17 and last updated on 2026-06-17.

CVE-2021-38406

CVE-2021-38406 is a high-severity vulnerability in Deltaww Dopsoft with a CVSS 3.x base score of 7.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-08-25). The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 78% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2022-08-25)
EU (EUVD) id: EUVD-2021-24858
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-08-25)
Weakness: CWE-787
Affected product: Deltaww Dopsoft
Published: 2021-09-17
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-38406?: 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.
How severe is CVE-2021-38406?: CVE-2021-38406 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-38406 being actively exploited?: Yes. CVE-2021-38406 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-08-25, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2021-38406?: CVE-2021-38406 affects Deltaww Dopsoft. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-38406?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2021-38406 have an EU (EUVD) identifier?: Yes. CVE-2021-38406 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-24858. It is also flagged as exploited in the EUVD (since 2022-08-25).
When was CVE-2021-38406 published?: CVE-2021-38406 was published on 2021-09-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:deltaww:dopsoft:*:*:*:*:*:*:*:*

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