{
  "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" : "800xA ist ein Prozessleitsystem des Herstellers ABB zur Automatisierung verfahrenstechnischer Prozesse.\r\nSymphony Melody ist ein Prozessleitsystem des Herstellers ABB zur Automatisierung verfahrenstechnischer Prozesse.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein Angreifer aus einem angrenzenden Netzwerk kann eine Schwachstelle in ABB 800xA und ABB Symphony Melody ausnutzen, um einen Denial of Service Angriff durchzuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- BIOS/Firmware\n- Sonstiges\n- UNIX\n- Windows",
      "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-2026-1086 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1086.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-1086 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1086"
    }, {
      "category" : "external",
      "summary" : "ABB Cybersecurity Advisory vom 2026-04-13",
      "url" : "https://search.abb.com/library/Download.aspx?DocumentID=7PAA020125&LanguageCode=en&DocumentPartId=&Action=Launch"
    } ],
    "source_lang" : "en-US",
    "title" : "ABB 800xA CI868 (für AC 800M) und PM877 (Symphony Plus MR): Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2026-04-13T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-04-14T11:05:26.969+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.5.0"
        }
      },
      "id" : "WID-SEC-W-2026-1086",
      "initial_release_date" : "2026-04-13T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-04-13T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      } ],
      "status" : "final",
      "version" : "1"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "AC800M CI868 <6.1.1",
          "product" : {
            "name" : "ABB 800xA AC800M CI868 <6.1.1",
            "product_id" : "T052737"
          }
        }, {
          "category" : "product_version",
          "name" : "AC800M CI868 6.1.1",
          "product" : {
            "name" : "ABB 800xA AC800M CI868 6.1.1",
            "product_id" : "T052737-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:abb:800xa:ac800m_ci868__6.1.1"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "AC800M CI868 <7.0",
          "product" : {
            "name" : "ABB 800xA AC800M CI868 <7.0",
            "product_id" : "T052738"
          }
        }, {
          "category" : "product_version",
          "name" : "AC800M CI868 7.0",
          "product" : {
            "name" : "ABB 800xA AC800M CI868 7.0",
            "product_id" : "T052738-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:abb:800xa:ac800m_ci868__7.0"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "800xA"
      }, {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "Plus MR PM 877 <3.53",
          "product" : {
            "name" : "ABB Symphony Melody Plus MR PM 877 <3.53",
            "product_id" : "T052739"
          }
        }, {
          "category" : "product_version",
          "name" : "Plus MR PM 877 3.53",
          "product" : {
            "name" : "ABB Symphony Melody Plus MR PM 877 3.53",
            "product_id" : "T052739-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:abb:symphony_melody:plus_mr_pm_877__3.53"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Symphony Melody"
      } ],
      "category" : "vendor",
      "name" : "ABB"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2025-3756",
    "product_status" : {
      "known_affected" : [ "T052739", "T052737", "T052738" ]
    },
    "release_date" : "2026-04-13T22:00:00.000+00:00",
    "title" : "CVE-2025-3756"
  } ]
}