{
  "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 f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Proxmox Backup Server ist eine Enterprise-Backup-L\u00f6sung 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 f\u00fcr 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": "\u003e=4.0.18-1",
                "product": {
                  "name": "Proxmox Backup Server \u003e=4.0.18-1",
                  "product_id": "T048150"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003e=4.0.18-1",
                "product": {
                  "name": "Proxmox Backup Server \u003e=4.0.18-1",
                  "product_id": "T048150-fixed"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c3.4.1-1.",
                "product": {
                  "name": "Proxmox Backup Server \u003c3.4.1-1.",
                  "product_id": "T048155"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c3.4.1-1.",
                "product": {
                  "name": "Proxmox Backup Server \u003c3.4.1-1.",
                  "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"
    }
  ]
}