{
  "document" : {
    "aggregate_severity" : {
      "text" : "mittel"
    },
    "category" : "csaf_base",
    "csaf_version" : "2.0",
    "distribution" : {
      "tlp" : {
        "label" : "WHITE",
        "url" : "https://www.first.org/tlp/"
      }
    },
    "lang" : "de-DE",
    "notes" : [ {
      "category" : "legal_disclaimer",
      "text" : "Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen."
    }, {
      "category" : "description",
      "text" : "Proxmox Virtual Environment (PVE) ist eine Virtualisierungsplattform für Server.\r\nProxmox Backup Server ist eine Enterprise-Backup-Lösung zur Sicherung und Wiederherstellung von VMs, Containern und physischen Hosts.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Proxmox Virtual Environment und Proxmox Backup Server ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux",
      "title" : "Betroffene Betriebssysteme"
    } ],
    "publisher" : {
      "category" : "other",
      "contact_details" : "csaf-provider@cert-bund.de",
      "name" : "Bundesamt für Sicherheit in der Informationstechnik",
      "namespace" : "https://www.bsi.bund.de"
    },
    "references" : [ {
      "category" : "self",
      "summary" : "WID-SEC-W-2025-1835 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-1835.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2025-1835 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-1835"
    }, {
      "category" : "external",
      "summary" : "Proxmox Security Advisory psa-2025-00014-1 vom 2025-08-13",
      "url" : "https://forum.proxmox.com/threads/proxmox-backup-server-security-advisories.149332/#-subject-psa-2025-00014-1-stored-xss-in-config-values"
    }, {
      "category" : "external",
      "summary" : "Proxmox Security Advisory psa-2025-00013-1 vom 2025-08-13",
      "url" : "https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/page-2#-subject-psa-2025-00013-1-stored-xss-in-config-values"
    }, {
      "category" : "external",
      "summary" : "EU Vulnerability Database EUVD-2025-27389 vom 2025-09-09",
      "url" : "https://euvd.enisa.europa.eu/enisa/EUVD-2025-27389"
    }, {
      "category" : "external",
      "summary" : "EU Vulnerability Database EUVD-2025-27406 vom 2025-09-09",
      "url" : "https://euvd.enisa.europa.eu/enisa/EUVD-2025-27406"
    }, {
      "category" : "external",
      "summary" : "EU Vulnerability Database EUVD-2025-27408 vom 2025-09-09",
      "url" : "https://euvd.enisa.europa.eu/enisa/EUVD-2025-27408"
    } ],
    "source_lang" : "en-US",
    "title" : "Proxmox Virtual Environment und Backup Server: Mehrere Schwachstellen ermöglichen Cross-Site Scripting",
    "tracking" : {
      "current_release_date" : "2025-09-09T22:00:00.000+00:00",
      "generator" : {
        "date" : "2025-09-10T04:46:08.974+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.4.0"
        }
      },
      "id" : "WID-SEC-W-2025-1835",
      "initial_release_date" : "2025-08-13T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2025-08-13T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2025-09-09T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "PoC und Referenzen aufgenommen"
      } ],
      "status" : "final",
      "version" : "2"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<4.0.14-1",
          "product" : {
            "name" : "Proxmox Backup Server <4.0.14-1",
            "product_id" : "T046255"
          }
        }, {
          "category" : "product_version",
          "name" : "4.0.14-1",
          "product" : {
            "name" : "Proxmox Backup Server 4.0.14-1",
            "product_id" : "T046255-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:proxmox:backup_server:4.0.14-1"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<3.4.6-1",
          "product" : {
            "name" : "Proxmox Backup Server <3.4.6-1",
            "product_id" : "T046256"
          }
        }, {
          "category" : "product_version",
          "name" : "3.4.6-1",
          "product" : {
            "name" : "Proxmox Backup Server 3.4.6-1",
            "product_id" : "T046256-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:proxmox:backup_server:3.4.6-1"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Backup Server"
      }, {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "pve-manager <9.0.5",
          "product" : {
            "name" : "Proxmox Virtual Environment pve-manager <9.0.5",
            "product_id" : "T046253"
          }
        }, {
          "category" : "product_version",
          "name" : "pve-manager 9.0.5",
          "product" : {
            "name" : "Proxmox Virtual Environment pve-manager 9.0.5",
            "product_id" : "T046253-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:proxmox:virtual_environment:pve-manager__9.0.5"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "pve-manager <8.4.11",
          "product" : {
            "name" : "Proxmox Virtual Environment pve-manager <8.4.11",
            "product_id" : "T046254"
          }
        }, {
          "category" : "product_version",
          "name" : "pve-manager 8.4.11",
          "product" : {
            "name" : "Proxmox Virtual Environment pve-manager 8.4.11",
            "product_id" : "T046254-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:proxmox:virtual_environment:pve-manager__8.4.11"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Virtual Environment"
      } ],
      "category" : "vendor",
      "name" : "Proxmox"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2025-57538",
    "product_status" : {
      "known_affected" : [ "T046253", "T046254", "T046255", "T046256" ]
    },
    "release_date" : "2025-08-13T22:00:00.000+00:00",
    "title" : "CVE-2025-57538"
  }, {
    "cve" : "CVE-2025-57539",
    "product_status" : {
      "known_affected" : [ "T046253", "T046254", "T046255", "T046256" ]
    },
    "release_date" : "2025-08-13T22:00:00.000+00:00",
    "title" : "CVE-2025-57539"
  }, {
    "cve" : "CVE-2025-57540",
    "product_status" : {
      "known_affected" : [ "T046253", "T046254", "T046255", "T046256" ]
    },
    "release_date" : "2025-08-13T22:00:00.000+00:00",
    "title" : "CVE-2025-57540"
  } ]
}