{
  "schema_version": "1.4.0",
  "id": "GHSA-r4v2-qg7m-3xrh",
  "modified": "2022-05-24T19:11:41Z",
  "published": "2022-05-24T19:11:41Z",
  "aliases": [
    "CVE-2021-27565"
  ],
  "details": "The web server in InterNiche NicheStack through 4.0.1 allows remote attackers to cause a denial of service (infinite loop and networking outage) via an unexpected valid HTTP request such as OPTIONS. This occurs because the HTTP request handler enters a miscoded wbs_loop() debugger hook.",
  "severity": [],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-27565"
    },
    {
      "type": "WEB",
      "url": "https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack"
    },
    {
      "type": "WEB",
      "url": "https://www.hcc-embedded.com"
    },
    {
      "type": "WEB",
      "url": "https://www.hcc-embedded.com/about/about-interniche"
    },
    {
      "type": "WEB",
      "url": "https://www.kb.cert.org/vuls/id/608209"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-835"
    ],
    "severity": "HIGH",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-08-19T12:15:00Z"
  }
}