{
  "document" : {
    "aggregate_severity" : {
      "text" : "kritisch"
    },
    "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" : "Citrix NetScaler ist eine integrierte Lösung für die Beschleunigung, das Traffic Management und die Sicherheit von Web-Applikationen. Citrix Access Gateway ist ein universell einsetzbares SSL-VPN. Advanced Access Control (AAC) ermöglichen es Administratoren, Zugriffsregeln für das Access Gateway festzulegen.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Citrix Systems NetScaler ausnutzen, um Informationen offenzulegen und um eine Benutzersitzung zu übernehmen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Appliance",
      "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-2026-0836 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0836.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-0836 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0836"
    }, {
      "category" : "external",
      "summary" : "Citrix Security Bulletin CTX696300 vom 2026-03-23",
      "url" : "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300"
    }, {
      "category" : "external",
      "summary" : "Citrix Tech Zone Blog vom 2026-03-23",
      "url" : "https://community.citrix.com/techzone-blogs/110_security-updates/critical-and-high-severity-updates-announced-for-netscaler-gateway-and-netscaler-adc-r1256/"
    }, {
      "category" : "external",
      "summary" : "CERT-EU Security Advisory 2026-003 vom 2026-03-23",
      "url" : "https://cert.europa.eu/publications/security-advisories/2026-003/"
    }, {
      "category" : "external",
      "summary" : "WatchTower Labs Report vom 2026-03-29",
      "url" : "https://labs.watchtowr.com/please-we-beg-just-one-weekend-free-of-appliances-citrix-netscaler-cve-2026-3055-memory-overread-part-2/"
    } ],
    "source_lang" : "en-US",
    "title" : "Citrix Systems NetScaler: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-03-29T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-03-30T07:19:10.885+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.5.0"
        }
      },
      "id" : "WID-SEC-W-2026-0836",
      "initial_release_date" : "2026-03-23T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-03-23T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-03-29T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "CVE-2026-3055 wird ausgenutzt"
      } ],
      "status" : "final",
      "version" : "2"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "ADC <14.1-66.59",
          "product" : {
            "name" : "Citrix Systems NetScaler ADC <14.1-66.59",
            "product_id" : "T052060"
          }
        }, {
          "category" : "product_version",
          "name" : "ADC 14.1-66.59",
          "product" : {
            "name" : "Citrix Systems NetScaler ADC 14.1-66.59",
            "product_id" : "T052060-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:citrix:netscaler:adc__14.1-66.59"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Gateway <14.1-66.59",
          "product" : {
            "name" : "Citrix Systems NetScaler Gateway <14.1-66.59",
            "product_id" : "T052061"
          }
        }, {
          "category" : "product_version",
          "name" : "Gateway 14.1-66.59",
          "product" : {
            "name" : "Citrix Systems NetScaler Gateway 14.1-66.59",
            "product_id" : "T052061-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:citrix:netscaler:gateway__14.1-66.59"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "ADC <13.1-62.23",
          "product" : {
            "name" : "Citrix Systems NetScaler ADC <13.1-62.23",
            "product_id" : "T052062"
          }
        }, {
          "category" : "product_version",
          "name" : "ADC 13.1-62.23",
          "product" : {
            "name" : "Citrix Systems NetScaler ADC 13.1-62.23",
            "product_id" : "T052062-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:citrix:netscaler:adc__13.1-62.23"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Gateway <13.1-62.23",
          "product" : {
            "name" : "Citrix Systems NetScaler Gateway <13.1-62.23",
            "product_id" : "T052063"
          }
        }, {
          "category" : "product_version",
          "name" : "Gateway 13.1-62.23",
          "product" : {
            "name" : "Citrix Systems NetScaler Gateway 13.1-62.23",
            "product_id" : "T052063-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:citrix:netscaler:gateway__13.1-62.23"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "ADC FIPS <13.1-37.262",
          "product" : {
            "name" : "Citrix Systems NetScaler ADC FIPS <13.1-37.262",
            "product_id" : "T052064"
          }
        }, {
          "category" : "product_version",
          "name" : "ADC FIPS 13.1-37.262",
          "product" : {
            "name" : "Citrix Systems NetScaler ADC FIPS 13.1-37.262",
            "product_id" : "T052064-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:citrix:netscaler:adc_fips__13.1-37.262"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "ADC NDcPP <13.1-37.262",
          "product" : {
            "name" : "Citrix Systems NetScaler ADC NDcPP <13.1-37.262",
            "product_id" : "T052065"
          }
        }, {
          "category" : "product_version",
          "name" : "ADC NDcPP 13.1-37.262",
          "product" : {
            "name" : "Citrix Systems NetScaler ADC NDcPP 13.1-37.262",
            "product_id" : "T052065-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:citrix:netscaler:adc_ndcpp__13.1-37.262"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "NetScaler"
      } ],
      "category" : "vendor",
      "name" : "Citrix Systems"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-3055",
    "product_status" : {
      "known_affected" : [ "T052065", "T052063", "T052064", "T052061", "T052062", "T052060" ]
    },
    "release_date" : "2026-03-23T23:00:00.000+00:00",
    "title" : "CVE-2026-3055"
  }, {
    "cve" : "CVE-2026-4368",
    "product_status" : {
      "known_affected" : [ "T052065", "T052063", "T052064", "T052061", "T052062", "T052060" ]
    },
    "release_date" : "2026-03-23T23:00:00.000+00:00",
    "title" : "CVE-2026-4368"
  } ]
}