WID-SEC-W-2026-0516

Vulnerability from csaf_certbund - Published: 2026-02-25 23:00 - Updated: 2026-03-05 23:00
Summary
Cisco Catalyst SD-WAN Manager und SD-WAN Controller: Mehrere Schwachstellen
Severity
Kritisch
Notes
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.
Produktbeschreibung: Cisco Catalyst SD-WAN ist eine Netzwerklösung, die Software-definierte Wide-Area-Networking-Funktionen (SD-WAN) mit Cisco Catalyst Series Switches kombiniert, um die Netzwerkleistung an verteilten Standorten zu optimieren und zu sichern.
Angriff: Ein entfernter, anonymer oder lokaler Angreifer kann mehrere Schwachstellen in Cisco Catalyst SD-WAN Manager ausnutzen, um Administratorrechte zu erlangen, die Authentifizierung zu umgehen, Befehle mit Netadmin-Rechten auszuführen, sensible Systeminformationen zu lesen und beliebige Dateien auf dem System zu überschreiben.
Betroffene Betriebssysteme: - CISCO Appliance
CVE-2026-20122
CVE-2026-20126
CVE-2026-20128
CVE-2026-20129
CVE-2026-20133
CVE-2026-20127
References
To clipboard 

{
  "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 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": "Cisco Catalyst SD-WAN ist eine Netzwerkl\u00f6sung, die Software-definierte Wide-Area-Networking-Funktionen (SD-WAN) mit Cisco Catalyst Series Switches kombiniert, um die Netzwerkleistung an verteilten Standorten zu optimieren und zu sichern.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer oder lokaler Angreifer kann mehrere Schwachstellen in Cisco Catalyst SD-WAN Manager ausnutzen, um Administratorrechte zu erlangen, die Authentifizierung zu umgehen, Befehle mit Netadmin-Rechten auszuf\u00fchren, sensible Systeminformationen zu lesen und beliebige Dateien auf dem System zu \u00fcberschreiben.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- CISCO Appliance",
        "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-2026-0516 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0516.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-0516 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0516"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisory cisco-sa-sdwan-authbp-qwCX8D4v vom 2026-02-25",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisory cisco-sa-sdwan-rpa-EHchtZk vom 2026-02-25",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa-EHchtZk"
      },
      {
        "category": "external",
        "summary": "CISA KEV: CVE-2026-20127 Cisco Catalyst SD-WAN Controller and Manager Authentication Bypass Vulnerability vom 2026-02-25",
        "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
      },
      {
        "category": "external",
        "summary": "Cisco Talos Blog: Active exploitation of Cisco Catalyst SD-WAN by UAT-8616 vom 2026-02-25",
        "url": "https://blog.talosintelligence.com/uat-8616-sd-wan/"
      },
      {
        "category": "external",
        "summary": "Australian Signals Directorate - Cisco SD-WAN Threat Hunt Guide",
        "url": "https://www.cyber.gov.au/sites/default/files/2026-02/ACSC-led%20Cisco%20SD-WAN%20Hunt%20Guide.pdf"
      },
      {
        "category": "external",
        "summary": "PoC CVE-2026-20127",
        "url": "https://github.com/zerozenxlabs/CVE-2026-20127---Cisco-SD-WAN-Preauth-RCE"
      }
    ],
    "source_lang": "en-US",
    "title": "Cisco Catalyst SD-WAN Manager und SD-WAN Controller: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-03-05T23:00:00.000+00:00",
      "generator": {
        "date": "2026-03-06T12:32:06.165+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2026-0516",
      "initial_release_date": "2026-02-25T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-02-25T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-03-04T23:00:00.000+00:00",
          "number": "2",
          "summary": "Exploit aufgenommen CVE-2026-20128 und CVE-2026-20122"
        },
        {
          "date": "2026-03-05T23:00:00.000+00:00",
          "number": "3",
          "summary": "PoC aufgenommen"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c20.9.8.2",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager \u003c20.9.8.2",
                  "product_id": "T051198"
                }
              },
              {
                "category": "product_version",
                "name": "20.9.8.2",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager 20.9.8.2",
                  "product_id": "T051198-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cisco:catalyst_sd-wan_manager:20.9.8.2"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c20.12.6.1",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager \u003c20.12.6.1",
                  "product_id": "T051199"
                }
              },
              {
                "category": "product_version",
                "name": "20.12.6.1",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager 20.12.6.1",
                  "product_id": "T051199-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cisco:catalyst_sd-wan_manager:20.12.6.1"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c20.12.5.3",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager \u003c20.12.5.3",
                  "product_id": "T051200"
                }
              },
              {
                "category": "product_version",
                "name": "20.12.5.3",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager 20.12.5.3",
                  "product_id": "T051200-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cisco:catalyst_sd-wan_manager:20.12.5.3"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c20.15.4.2",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager \u003c20.15.4.2",
                  "product_id": "T051202"
                }
              },
              {
                "category": "product_version",
                "name": "20.15.4.2",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager 20.15.4.2",
                  "product_id": "T051202-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cisco:catalyst_sd-wan_manager:20.15.4.2"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c20.18.2.1",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager \u003c20.18.2.1",
                  "product_id": "T051203"
                }
              },
              {
                "category": "product_version",
                "name": "20.18.2.1",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager 20.18.2.1",
                  "product_id": "T051203-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cisco:catalyst_sd-wan_manager:20.18.2.1"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "SD-WAN Controller \u003c20.9.8.2",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager SD-WAN Controller \u003c20.9.8.2",
                  "product_id": "T051204"
                }
              },
              {
                "category": "product_version",
                "name": "SD-WAN Controller 20.9.8.2",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager SD-WAN Controller 20.9.8.2",
                  "product_id": "T051204-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cisco:catalyst_sd-wan_manager:sd-wan_controller__20.9.8.2"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "SD-WAN Controller \u003c20.12.5.3",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager SD-WAN Controller \u003c20.12.5.3",
                  "product_id": "T051205"
                }
              },
              {
                "category": "product_version",
                "name": "SD-WAN Controller 20.12.5.3",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager SD-WAN Controller 20.12.5.3",
                  "product_id": "T051205-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cisco:catalyst_sd-wan_manager:sd-wan_controller__20.12.5.3"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "SD-WAN Controller \u003c20.12.6.1",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager SD-WAN Controller \u003c20.12.6.1",
                  "product_id": "T051206"
                }
              },
              {
                "category": "product_version",
                "name": "SD-WAN Controller 20.12.6.1",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager SD-WAN Controller 20.12.6.1",
                  "product_id": "T051206-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cisco:catalyst_sd-wan_manager:sd-wan_controller__20.12.6.1"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "SD-WAN Controller \u003c20.15.4.2",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager SD-WAN Controller \u003c20.15.4.2",
                  "product_id": "T051207"
                }
              },
              {
                "category": "product_version",
                "name": "SD-WAN Controller 20.15.4.2",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager SD-WAN Controller 20.15.4.2",
                  "product_id": "T051207-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cisco:catalyst_sd-wan_manager:sd-wan_controller__20.15.4.2"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "SD-WAN Controller \u003c20.18.2.1",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager SD-WAN Controller \u003c20.18.2.1",
                  "product_id": "T051208"
                }
              },
              {
                "category": "product_version",
                "name": "SD-WAN Controller 20.18.2.1",
                "product": {
                  "name": "Cisco Catalyst SD-WAN Manager SD-WAN Controller 20.18.2.1",
                  "product_id": "T051208-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cisco:catalyst_sd-wan_manager:sd-wan_controller__20.18.2.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Catalyst SD-WAN Manager"
          }
        ],
        "category": "vendor",
        "name": "Cisco"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-20122",
      "product_status": {
        "known_affected": [
          "T051203",
          "T051202",
          "T051199",
          "T051198",
          "T051200"
        ]
      },
      "release_date": "2026-02-25T23:00:00.000+00:00",
      "title": "CVE-2026-20122"
    },
    {
      "cve": "CVE-2026-20126",
      "product_status": {
        "known_affected": [
          "T051203",
          "T051202",
          "T051199",
          "T051198",
          "T051200"
        ]
      },
      "release_date": "2026-02-25T23:00:00.000+00:00",
      "title": "CVE-2026-20126"
    },
    {
      "cve": "CVE-2026-20128",
      "product_status": {
        "known_affected": [
          "T051203",
          "T051202",
          "T051199",
          "T051198",
          "T051200"
        ]
      },
      "release_date": "2026-02-25T23:00:00.000+00:00",
      "title": "CVE-2026-20128"
    },
    {
      "cve": "CVE-2026-20129",
      "product_status": {
        "known_affected": [
          "T051203",
          "T051202",
          "T051199",
          "T051198",
          "T051200"
        ]
      },
      "release_date": "2026-02-25T23:00:00.000+00:00",
      "title": "CVE-2026-20129"
    },
    {
      "cve": "CVE-2026-20133",
      "product_status": {
        "known_affected": [
          "T051203",
          "T051202",
          "T051199",
          "T051198",
          "T051200"
        ]
      },
      "release_date": "2026-02-25T23:00:00.000+00:00",
      "title": "CVE-2026-20133"
    },
    {
      "cve": "CVE-2026-20127",
      "product_status": {
        "known_affected": [
          "T051207",
          "T051206",
          "T051208",
          "T051203",
          "T051202",
          "T051205",
          "T051204",
          "T051199",
          "T051198",
          "T051200"
        ]
      },
      "release_date": "2026-02-25T23:00:00.000+00:00",
      "title": "CVE-2026-20127"
    }
  ]
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.