Exploitation evidence
Known exploited · CISA KEV listed
Added 2022-08-25. Ransomware campaign use: Unknown.
CISA required action: The impacted product is end-of-life and should be disconnected if still in use.
CISA due date: 2022-09-15. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
Delta Electronics / DOPSoft 2
Default status: Not specified
- affected: unspecified to ≤ 2.00.07 (custom)
Fixes and workarounds
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 available
Sources and related reporting
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.76428,
"percentile": 0.99547
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.76428,
"percentile": 0.99544
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.76428,
"percentile": 0.99544
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.76428,
"percentile": 0.99543
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.76428,
"percentile": 0.99543
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.76428,
"percentile": 0.99543
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.76428,
"percentile": 0.99543
}05 Nov 2026, 06:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
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}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.76428,
"percentile": 0.99542
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
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"epss": 0.76428,
"percentile": 0.99542
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.76428,
"percentile": 0.99541
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2021-38406",
"cwes": [
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],
"dateAdded": "2022-08-25",
"dueDate": "2022-09-15",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-252-02; https://nvd.nist.gov/vuln/detail/CVE-2021-38406",
"product": "DOPSoft 2",
"requiredAction": "The impacted product is end-of-life and should be disconnected if still in use.",
"shortDescription": "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.",
"vendorProject": "Delta Electronics",
"vulnerabilityName": "Delta Electronics DOPSoft 2 Improper Input Validation Vulnerability"
}