{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2024-42057",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-42057",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-09-03T01:43:28.106Z",
    "updatedAt": "2024-09-03T13:54:39.611Z",
    "importedAt": "2026-10-24T01:57:16.009Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": null,
      "summary": "A command injection vulnerability in the IPSec VPN feature of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an unauthenticated attacker to execute some OS commands on an affected device by sending a crafted username to the vulnerable device. Note that this attack could be successful only if the device was configured in User-Based-PSK authentication mode and a valid user with a long username exceeding 28 characters exists.",
      "affected": [
        {
          "vendor": "Zyxel",
          "product": "ATP series firmware",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "versions V4.32 through V5.38",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Zyxel",
          "product": "USG FLEX series firmware",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "versions V4.50 through V5.38",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Zyxel",
          "product": "USG FLEX 50(W) series firmware",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "versions V4.16 through V5.38",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Zyxel",
          "product": "USG20(W)-VPN series firmware",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "versions V4.16 through V5.38",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}