{
  "schema_version": "1.4.0",
  "id": "GHSA-9vv4-3cf7-mqqr",
  "modified": "2023-01-30T21:30:44Z",
  "published": "2023-01-20T09:30:29Z",
  "aliases": [
    "CVE-2022-40267"
  ],
  "details": "Predictable Seed in Pseudo-Random Number Generator (PRNG) vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-xMy/z (x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 17X**** or later, and versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-xMy/z (x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 179**** and prior, and versions 1.074 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-xMy/z (x=32,64,96, y=T, z=D,DSS)) with serial number 17X**** or later, and versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-xMy/z (x=32,64,96, y=T, z=D,DSS)) with serial number 179**** and prior, and versions 1.074 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DSS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MR/DS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R00/01/02CPU all versions, Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120(EN)CPU all versions allows a remote unauthenticated attacker to access the Web server function by guessing the random numbers used for authentication from several used random numbers.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-40267"
    },
    {
      "type": "WEB",
      "url": "https://jvn.jp/vu/JVNVU99673580/index.html"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-23-017-02"
    },
    {
      "type": "WEB",
      "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-019_en.pdf"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-335",
      "CWE-337"
    ],
    "severity": "CRITICAL",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-01-20T08:15:00Z"
  }
}