{
  "id": "CVE-2021-38406",
  "url": "https://spydr.io/cve/CVE-2021-38406",
  "published": "2021-09-17T19:15:08.710Z",
  "modified": "2026-06-17T04:02:02.373Z",
  "score": 7.8,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.76428,
  "epss_percentile": 0.99529,
  "exploited": true,
  "kev": {
    "added": "2022-08-25",
    "due": "2022-09-15",
    "action": "The impacted product is end-of-life and should be disconnected if still in use.",
    "ransomware": "Unknown",
    "name": "Delta Electronics DOPSoft 2 Improper Input Validation Vulnerability",
    "notes": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-252-02; https://nvd.nist.gov/vuln/detail/CVE-2021-38406"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "Delta Electronics"
  ],
  "products": [
    "Delta Electronics DOPSoft 2"
  ],
  "cwes": [
    "CWE-787"
  ],
  "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.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 7.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-252-02",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38406",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-38406",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}