{
  "schema_version": "1.4.0",
  "id": "GHSA-vcv5-xrh2-qgqx",
  "modified": "2025-08-15T21:31:12Z",
  "published": "2022-05-24T19:03:13Z",
  "aliases": [
    "CVE-2021-30188"
  ],
  "details": "CODESYS V2 runtime system SP before 2.4.7.55 has a Stack-based Buffer Overflow.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-30188"
    },
    {
      "type": "WEB",
      "url": "https://customers.codesys.com/index.php"
    },
    {
      "type": "WEB",
      "url": "https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14725&token=08691519ef764b252630759eff925890176ecd78&download="
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "severity": "CRITICAL",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-05-25T13:15:00Z"
  }
}