{
  "document" : {
    "aggregate_severity" : {
      "text" : "hoch"
    },
    "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" : "Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution.\r\nOracle Linux ist ein Open Source Betriebssystem, welches unter der GNU General Public License (GPL) verfügbar ist.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat Enterprise Linux und Oracle Linux ausnutzen, um Sicherheitsvorkehrungen zu umgehen.",
      "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-2026-3129 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2026-3129.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-3129 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3129"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Adivisory: RHSA-2021:1145 vom 2021-04-08",
      "url" : "https://access.redhat.com/errata/RHSA-2021:1145"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux: ELSA-2021-1145 vom 2021-04-08",
      "url" : "https://linux.oracle.com/errata/ELSA-2021-1145.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-4906-1 vom 2021-04-13",
      "url" : "https://ubuntu.com/security/notices/USN-4906-1"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:1206 vom 2021-04-14",
      "url" : "https://access.redhat.com/errata/RHSA-2021:1206"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-1206 vom 2021-04-16",
      "url" : "https://linux.oracle.com/errata/ELSA-2021-1206.html"
    }, {
      "category" : "external",
      "summary" : "CentOS Security Advisory CESA-2021:1145 vom 2021-04-16",
      "url" : "http://centos-announce.2309468.n4.nabble.com/CentOS-announce-CESA-2021-1145-Important-CentOS-7-nettle-Security-Update-tp4646170.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:1245 vom 2021-04-19",
      "url" : "https://access.redhat.com/errata/RHSA-2021:1245"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:1246 vom 2021-04-19",
      "url" : "https://access.redhat.com/errata/RHSA-2021:1246"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:1338 vom 2021-04-22",
      "url" : "https://access.redhat.com/errata/RHSA-2021:1338"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:1448 vom 2021-04-28",
      "url" : "https://access.redhat.com/errata/RHSA-2021:1448"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1412-1 vom 2021-05-05",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008738.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:1429 vom 2021-05-05",
      "url" : "https://access.redhat.com/errata/RHSA-2021:1429"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:1499 vom 2021-05-04",
      "url" : "https://access.redhat.com/errata/RHSA-2021:1499"
    }, {
      "category" : "external",
      "summary" : "AVAYA Security Advisory ASA-2021-028 vom 2021-05-04",
      "url" : "https://downloads.avaya.com/css/P8/documents/101075639"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:2041 vom 2021-05-19",
      "url" : "https://access.redhat.com/errata/RHSA-2021:2041"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:2053 vom 2021-05-19",
      "url" : "https://access.redhat.com/errata/RHSA-2021:2053"
    }, {
      "category" : "external",
      "summary" : "Gentoo Linux Security Advisory GLSA-202105-31 vom 2021-05-26",
      "url" : "https://security.gentoo.org/glsa/202105-31"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:2280 vom 2021-06-08",
      "url" : "https://access.redhat.com/errata/RHSA-2021:2280"
    }, {
      "category" : "external",
      "summary" : "F5 Security Advisory K33101555 vom 2021-06-08",
      "url" : "https://support.f5.com/csp/article/K33101555?utm_source=f5support&utm_medium=RSS"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:2356 vom 2021-06-09",
      "url" : "https://access.redhat.com/errata/RHSA-2021:2356"
    }, {
      "category" : "external",
      "summary" : "AVAYA Security Advisory ASA-2021-039 vom 2021-06-16",
      "url" : "https://downloads.avaya.com/css/P8/documents/101076246"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:2479 vom 2021-06-17",
      "url" : "https://access.redhat.com/errata/RHSA-2021:2479"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-4933 vom 2021-06-18",
      "url" : "https://www.debian.org/security/2021/dsa-4933"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:2532 vom 2021-06-23",
      "url" : "https://access.redhat.com/errata/RHSA-2021:2532"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:2543 vom 2021-06-24",
      "url" : "https://access.redhat.com/errata/RHSA-2021:2543"
    }, {
      "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-2021:2758 vom 2021-07-15",
      "url" : "https://access.redhat.com/errata/RHSA-2021:2758"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:2760 vom 2021-07-19",
      "url" : "https://access.redhat.com/errata/RHSA-2021:2760"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3016 vom 2021-08-06",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3016"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3556 vom 2021-09-17",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3556"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-2760 vom 2021-09-18",
      "url" : "https://lists.debian.org/debian-lts-announce/2021/09/msg00008.html"
    }, {
      "category" : "external",
      "summary" : "NetApp Security Advisory NTAP-20211022-0002 vom 2021-10-22",
      "url" : "https://security.netapp.com/advisory/ntap-20211022-0002/"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2022:0056 vom 2022-03-10",
      "url" : "https://access.redhat.com/errata/RHSA-2022:0056"
    }, {
      "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" : "Red Hat Enterprise Linux: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen",
    "tracking" : {
      "current_release_date" : "2026-08-31T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-09-01T10:52:47.752+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-3129",
      "initial_release_date" : "2021-04-08T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2021-04-08T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2021-04-13T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2021-04-14T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-04-18T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Oracle Linux und CentOS aufgenommen"
      }, {
        "date" : "2021-04-19T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-04-22T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-04-28T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-05-04T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von SUSE und Red Hat aufgenommen"
      }, {
        "date" : "2021-05-05T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von AVAYA aufgenommen"
      }, {
        "date" : "2021-05-18T22:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-05-19T22:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-05-25T22:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von Gentoo aufgenommen"
      }, {
        "date" : "2021-06-07T22:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-06-08T22:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von F5 aufgenommen"
      }, {
        "date" : "2021-06-17T22:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von AVAYA und Red Hat aufgenommen"
      }, {
        "date" : "2021-06-20T22:00:00.000+00:00",
        "number" : "16",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2021-06-23T22:00:00.000+00:00",
        "number" : "17",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-06-24T22:00:00.000+00:00",
        "number" : "18",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-07-14T22:00:00.000+00:00",
        "number" : "19",
        "summary" : "Neue Updates von Juniper aufgenommen"
      }, {
        "date" : "2021-07-15T22:00:00.000+00:00",
        "number" : "20",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-07-18T22:00:00.000+00:00",
        "number" : "21",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-08-05T22:00:00.000+00:00",
        "number" : "22",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-09-16T22:00:00.000+00:00",
        "number" : "23",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-09-19T22:00:00.000+00:00",
        "number" : "24",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2021-10-24T22:00:00.000+00:00",
        "number" : "25",
        "summary" : "Neue Updates von NetApp aufgenommen"
      }, {
        "date" : "2022-03-10T23:00:00.000+00:00",
        "number" : "26",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-08-31T22:00:00.000+00:00",
        "number" : "27",
        "summary" : "Neue Updates von Dell aufgenommen"
      } ],
      "status" : "final",
      "version" : "27"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "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 Experience Portal",
        "product" : {
          "name" : "Avaya Aura Experience Portal",
          "product_id" : "T015519",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:avaya:aura_experience_portal:-"
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        }
      }, {
        "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 Web License Manager",
        "product" : {
          "name" : "Avaya Web License Manager",
          "product_id" : "T016243",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:avaya:web_license_manager:-"
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      } ],
      "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:-"
          }
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      } ],
      "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"
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        } ],
        "category" : "product_name",
        "name" : "Secure Connect Gateway"
      } ],
      "category" : "vendor",
      "name" : "Dell"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "F5 BIG-IP",
        "product" : {
          "name" : "F5 BIG-IP",
          "product_id" : "T001663",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:f5:big-ip:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "F5"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Gentoo Linux",
        "product" : {
          "name" : "Gentoo Linux",
          "product_id" : "T012167",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:gentoo:linux:-"
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        }
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      "category" : "vendor",
      "name" : "Gentoo"
    }, {
      "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" : "NetApp ActiveIQ Unified Manager",
        "product" : {
          "name" : "NetApp ActiveIQ Unified Manager",
          "product_id" : "658714",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:netapp:active_iq_unified_manager:-::~~~vmware_vsphere~~"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "NetApp"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Open Source CentOS",
        "product" : {
          "name" : "Open Source CentOS",
          "product_id" : "1727",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:centos:centos:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "7",
          "product" : {
            "name" : "Oracle Linux 7",
            "product_id" : "T018830",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:oracle:linux:7"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Linux"
      } ],
      "category" : "vendor",
      "name" : "Oracle"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "7",
          "product" : {
            "name" : "Red Hat Enterprise Linux 7",
            "product_id" : "T003303",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:redhat:enterprise_linux:7"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "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-2021-20305",
    "product_status" : {
      "known_affected" : [ "T015519", "T015518", "T058878", "T015516", "T003303", "T015127", "T015126", "T012167", "658714", "T016243", "T018830", "2951", "T002207", "T000126", "5930", "T001663", "1727" ]
    },
    "release_date" : "2021-04-08T22:00:00.000+00:00",
    "title" : "CVE-2021-20305"
  } ]
}