{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Windows xeniface sans le correctif de s\u00e9curit\u00e9 xsa468/xeniface-0x.patch",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    },
    {
      "description": "Windows xencons sans le correctif de s\u00e9curit\u00e9 xsa468/xencons-0x.patch ",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    },
    {
      "description": "XenServer VM Tools versions ant\u00e9rieures \u00e0 9.4.1 pour Windows",
      "product": {
        "name": "XenServer",
        "vendor": {
          "name": "Citrix",
          "scada": false
        }
      }
    },
    {
      "description": "Windows xenbus sans le correctif de s\u00e9curit\u00e9 xsa468/xenbus-01.patch",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2025-27464",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-27464"
    },
    {
      "name": "CVE-2025-27463",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-27463"
    },
    {
      "name": "CVE-2025-27462",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-27462"
    }
  ],
  "links": [],
  "reference": "CERTFR-2025-AVI-0456",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2025-05-28T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Citrix et Xen. Elles permettent \u00e0 un attaquant de provoquer une \u00e9l\u00e9vation de privil\u00e8ges.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Citrix et Xen",
  "vendor_advisories": [
    {
      "published_at": "2025-05-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Xen xsa/advisory-468",
      "url": "https://xenbits.xen.org/xsa/advisory-468.html"
    },
    {
      "published_at": "2025-05-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Citrix CTX692748",
      "url": "https://support.citrix.com/s/article/CTX692748-xenserver-and-citrix-hypervisor-security-update-for-cve202527462-cve202527463-cve202527464"
    }
  ]
}