ghsa-hvcq-2mcq-rg5f
Vulnerability from github
Published
2021-12-16 00:01
Modified
2025-10-22 00:32
Severity ?
7.1 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Details

Windows AppX Installer Spoofing Vulnerability

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{
  "affected": [],
  "aliases": [
    "CVE-2021-43890"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-290"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-12-15T15:15:00Z",
    "severity": "HIGH"
  },
  "details": "Windows AppX Installer Spoofing Vulnerability",
  "id": "GHSA-hvcq-2mcq-rg5f",
  "modified": "2025-10-22T00:32:26Z",
  "published": "2021-12-16T00:01:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-43890"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ChrisTitusTech/winutil/pull/26"
    },
    {
      "type": "WEB",
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43890"
    },
    {
      "type": "WEB",
      "url": "https://thehackernews.com/2023/12/microsoft-disables-msix-app-installer.html"
    },
    {
      "type": "WEB",
      "url": "https://www.bleepingcomputer.com/news/microsoft/microsoft-disables-msix-protocol-handler-abused-in-malware-attacks"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-43890"
    },
    {
      "type": "WEB",
      "url": "https://www.microsoft.com/en-us/security/blog/2023/12/28/financially-motivated-threat-actors-misusing-app-installer"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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