{
  "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 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 Backup Server ausnutzen, um Informationen offenzulegen oder Daten zu manipulieren.",
      "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-2025-2416 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-2416.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2025-2416 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2416"
    }, {
      "category" : "external",
      "summary" : "Proxmox Security Advisory vom 2025-10-26",
      "url" : "https://forum.proxmox.com/threads/proxmox-backup-server-security-advisories.149332/#-subject-psa-2025-00019-1-race-condition-during-long-running-garbage-collection-and-pruning-of-recent-snapshots-may-lead-to-back-up-corruption-before-proxmox-backup-server-3-4"
    }, {
      "category" : "external",
      "summary" : "Proxmox Security Advisory vom 2025-10-26",
      "url" : "https://forum.proxmox.com/threads/proxmox-backup-server-security-advisories.149332/#-subject-psa-2025-00020-1-missing-protections-against-malicious-backup-clients-with-s3-backed-datastores"
    } ],
    "source_lang" : "en-US",
    "title" : "Proxmox Backup Server: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2025-11-04T23:00:00.000+00:00",
      "generator" : {
        "date" : "2025-11-05T06:03:28.112+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.4.0"
        }
      },
      "id" : "WID-SEC-W-2025-2416",
      "initial_release_date" : "2025-10-26T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2025-10-26T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2025-11-04T23:00:00.000+00:00",
        "number" : "2",
        "summary" : "Korrektur Angriffsvektor"
      } ],
      "status" : "final",
      "version" : "2"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : ">=4.0.18-1",
          "product" : {
            "name" : "Proxmox Backup Server >=4.0.18-1",
            "product_id" : "T048150"
          }
        }, {
          "category" : "product_version_range",
          "name" : ">=4.0.18-1",
          "product" : {
            "name" : "Proxmox Backup Server >=4.0.18-1",
            "product_id" : "T048150-fixed"
          }
        }, {
          "category" : "product_version_range",
          "name" : "<3.4.1-1.",
          "product" : {
            "name" : "Proxmox Backup Server <3.4.1-1.",
            "product_id" : "T048155"
          }
        }, {
          "category" : "product_version_range",
          "name" : "<3.4.1-1.",
          "product" : {
            "name" : "Proxmox Backup Server <3.4.1-1.",
            "product_id" : "T048155-fixed"
          }
        } ],
        "category" : "product_name",
        "name" : "Backup Server"
      } ],
      "category" : "vendor",
      "name" : "Proxmox"
    } ]
  },
  "vulnerabilities" : [ {
    "product_status" : {
      "known_affected" : [ "T048150" ]
    },
    "release_date" : "2025-10-26T23:00:00.000+00:00"
  }, {
    "product_status" : {
      "known_affected" : [ "T048155" ]
    },
    "release_date" : "2025-10-26T23:00:00.000+00:00"
  } ]
}