{
  "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" : "Samba ist eine Open Source Software Suite, die Druck- und Dateidienste für SMB/CIFS Clients implementiert.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein entfernter, anonymer oder authentifizierter Angreifer kann mehrere Schwachstellen in Samba ausnutzen, um einen Denial of Service Angriff durchzuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\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-2026-3128 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2026-3128.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-3128 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3128"
    }, {
      "category" : "external",
      "summary" : "Samba Security Advisories vom 2021-03-24",
      "url" : "https://www.samba.org/samba/security/CVE-2021-20277.html"
    }, {
      "category" : "external",
      "summary" : "Samba Security Advisories vom 2021-03-24",
      "url" : "https://www.samba.org/samba/security/CVE-2020-27840.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-4888-1 vom 2021-03-25",
      "url" : "https://ubuntu.com/security/notices/USN-4888-2"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-4884 vom 2021-04-02",
      "url" : "https://www.debian.org/security/2021/dsa-4884"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:1072 vom 2021-04-06",
      "url" : "https://access.redhat.com/errata/RHSA-2021:1072"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-1072 vom 2021-04-08",
      "url" : "https://linux.oracle.com/errata/ELSA-2021-1072.html"
    }, {
      "category" : "external",
      "summary" : "CentOS Security Advisory CESA-2021:1072 vom 2021-04-10",
      "url" : "http://centos-announce.2309468.n4.nabble.com/CentOS-announce-CESA-2021-1072-Important-CentOS-7-libldb-Security-Update-tp4646168.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:1197 vom 2021-04-14",
      "url" : "https://access.redhat.com/errata/RHSA-2021:1197"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-1197 vom 2021-04-15",
      "url" : "http://linux.oracle.com/errata/ELSA-2021-1197.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:1214 vom 2021-04-15",
      "url" : "https://access.redhat.com/errata/RHSA-2021:1214"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:1213 vom 2021-04-15",
      "url" : "https://access.redhat.com/errata/RHSA-2021:1213"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS-2021-1628 vom 2021-04-22",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS-2021-1628.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS-2021-1494 vom 2021-04-21",
      "url" : "https://alas.aws.amazon.com/ALAS-2021-1494.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1444-1 vom 2021-04-29",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-April/008709.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1440-1 vom 2021-04-29",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-April/008707.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1498-1 vom 2021-05-04",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008730.html"
    }, {
      "category" : "external",
      "summary" : "AVAYA Security Advisory ASA-2021-033 vom 2021-05-03",
      "url" : "https://downloads.avaya.com/css/P8/documents/101075624"
    }, {
      "category" : "external",
      "summary" : "AVAYA Security Advisory ASA-2021-041 vom 2021-05-14",
      "url" : "https://downloads.avaya.com/css/P8/documents/101075753"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:2331 vom 2021-06-09",
      "url" : "https://access.redhat.com/errata/RHSA-2021:2331"
    }, {
      "category" : "external",
      "summary" : "Juniper Security Advisory JSA11206 vom 2021-07-14",
      "url" : "https://kb.juniper.net/InfoCenter/index?page=content&id=JSA11206&cat=SIRT_1"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:2786 vom 2021-07-20",
      "url" : "https://access.redhat.com/errata/RHSA-2021:2786"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3187-1 vom 2021-09-22",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009483.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:0283-1 vom 2022-02-01",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010164.html"
    }, {
      "category" : "external",
      "summary" : "Dell Security Advisory DSA-2026-386 vom 2026-09-01",
      "url" : "https://www.dell.com/support/kbdoc/000503504/dsa-2026-386-security-update-f"
    } ],
    "source_lang" : "en-US",
    "title" : "Samba: Mehrere Schwachstellen ermöglichen Denial of Service",
    "tracking" : {
      "current_release_date" : "2026-08-31T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-09-01T10:52:47.058+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-3128",
      "initial_release_date" : "2021-03-24T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2021-03-24T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2021-03-25T23:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Ubuntu und Fedora aufgenommen"
      }, {
        "date" : "2021-03-28T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Referenz(en) aufgenommen: FEDORA-2021-C2D8628D33"
      }, {
        "date" : "2021-04-05T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2021-04-07T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2021-04-11T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von CentOS aufgenommen"
      }, {
        "date" : "2021-04-14T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Red Hat und Oracle Linux aufgenommen"
      }, {
        "date" : "2021-04-15T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-04-21T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Amazon aufgenommen"
      }, {
        "date" : "2021-04-29T22:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-05-04T22:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von SUSE und AVAYA aufgenommen"
      }, {
        "date" : "2021-05-13T22:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von AVAYA aufgenommen"
      }, {
        "date" : "2021-06-08T22:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-07-14T22:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von Juniper aufgenommen"
      }, {
        "date" : "2021-07-20T22:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-09-22T22:00:00.000+00:00",
        "number" : "16",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-02-01T23:00:00.000+00:00",
        "number" : "17",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-08-31T22:00:00.000+00:00",
        "number" : "18",
        "summary" : "Neue Updates von Dell aufgenommen"
      } ],
      "status" : "final",
      "version" : "18"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Amazon Linux 2",
        "product" : {
          "name" : "Amazon Linux 2",
          "product_id" : "398363",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:amazon:linux_2:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Amazon"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Avaya Aura Application Enablement Services",
        "product" : {
          "name" : "Avaya Aura Application Enablement Services",
          "product_id" : "T015516",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:avaya:aura_application_enablement_services:-"
          }
        }
      }, {
        "category" : "product_name",
        "name" : "Avaya Aura Communication Manager",
        "product" : {
          "name" : "Avaya Aura Communication Manager",
          "product_id" : "T015126",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:avaya:communication_manager:-"
          }
        }
      }, {
        "category" : "product_name",
        "name" : "Avaya Aura Session Manager",
        "product" : {
          "name" : "Avaya Aura Session Manager",
          "product_id" : "T015127",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:avaya:session_manager:-"
          }
        }
      }, {
        "category" : "product_name",
        "name" : "Avaya Aura System Manager",
        "product" : {
          "name" : "Avaya Aura System Manager",
          "product_id" : "T015518",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:avaya:aura_system_manager:-"
          }
        }
      }, {
        "category" : "product_name",
        "name" : "Avaya CMS",
        "product" : {
          "name" : "Avaya CMS",
          "product_id" : "997",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:avaya:call_management_system_server:-"
          }
        }
      }, {
        "category" : "product_name",
        "name" : "Avaya Web License Manager",
        "product" : {
          "name" : "Avaya Web License Manager",
          "product_id" : "T016243",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:avaya:web_license_manager:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Avaya"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Debian Linux",
        "product" : {
          "name" : "Debian Linux",
          "product_id" : "2951",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:debian:debian_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Debian"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<5.36.00.16",
          "product" : {
            "name" : "Dell Secure Connect Gateway <5.36.00.16",
            "product_id" : "T058878"
          }
        }, {
          "category" : "product_version",
          "name" : "5.36.00.16",
          "product" : {
            "name" : "Dell Secure Connect Gateway 5.36.00.16",
            "product_id" : "T058878-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:dell:secure_connect_gateway:5.36.00.16"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Secure Connect Gateway"
      } ],
      "category" : "vendor",
      "name" : "Dell"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Juniper JUNOS",
        "product" : {
          "name" : "Juniper JUNOS",
          "product_id" : "5930",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:juniper:junos:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Juniper"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Open Source CentOS",
        "product" : {
          "name" : "Open Source CentOS",
          "product_id" : "1727",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:centos:centos:-"
          }
        }
      }, {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<4.14.2",
          "product" : {
            "name" : "Open Source Samba <4.14.2",
            "product_id" : "T018696"
          }
        }, {
          "category" : "product_version",
          "name" : "4.14.2",
          "product" : {
            "name" : "Open Source Samba 4.14.2",
            "product_id" : "T018696-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:samba:samba:4.14.2"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<4.13.7",
          "product" : {
            "name" : "Open Source Samba <4.13.7",
            "product_id" : "T018697"
          }
        }, {
          "category" : "product_version",
          "name" : "4.13.7",
          "product" : {
            "name" : "Open Source Samba 4.13.7",
            "product_id" : "T018697-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:samba:samba:4.13.7"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<4.12.14",
          "product" : {
            "name" : "Open Source Samba <4.12.14",
            "product_id" : "T018698"
          }
        }, {
          "category" : "product_version",
          "name" : "4.12.14",
          "product" : {
            "name" : "Open Source Samba 4.12.14",
            "product_id" : "T018698-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:samba:samba:4.12.14"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Samba"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Oracle Linux",
        "product" : {
          "name" : "Oracle Linux",
          "product_id" : "T004914",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:oracle:linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Oracle"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Red Hat Enterprise Linux",
        "product" : {
          "name" : "Red Hat Enterprise Linux",
          "product_id" : "67646",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:redhat:enterprise_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Red Hat"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "SUSE Linux",
        "product" : {
          "name" : "SUSE Linux",
          "product_id" : "T002207",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:suse:suse_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "SUSE"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Ubuntu Linux",
        "product" : {
          "name" : "Ubuntu Linux",
          "product_id" : "T000126",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:canonical:ubuntu_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Ubuntu"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2020-27840",
    "product_status" : {
      "known_affected" : [ "T015518", "T058878", "67646", "T015516", "T015127", "T015126", "T004914", "T016243", "T018696", "T018697", "T018698", "2951", "T002207", "T000126", "997", "5930", "398363", "1727" ]
    },
    "release_date" : "2021-03-24T23:00:00.000+00:00",
    "title" : "CVE-2020-27840"
  }, {
    "cve" : "CVE-2021-20277",
    "product_status" : {
      "known_affected" : [ "T015518", "T058878", "67646", "T015516", "T015127", "T015126", "T004914", "T016243", "T018696", "T018697", "T018698", "2951", "T002207", "T000126", "997", "5930", "398363", "1727" ]
    },
    "release_date" : "2021-03-24T23:00:00.000+00:00",
    "title" : "CVE-2021-20277"
  } ]
}