WID-SEC-W-2026-1132

Vulnerability from csaf_certbund - Published: 2026-04-15 22:00 - Updated: 2026-04-15 22:00
Summary
Cisco WebEx: Mehrere Schwachstellen
Severity
Hoch
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: Der WebEx Meeting Service ist ein Multimedia Konferenz System von Cisco.
Angriff: Ein Angreifer kann mehrere Schwachstellen in Cisco WebEx ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen und um Sicherheitsvorkehrungen zu umgehen.
Betroffene Betriebssysteme: - Linux - Sonstiges - UNIX - Windows
CVE-2026-20170
Affected products
Product Identifier Version Remediation
Cisco WebEx Contact Center
Cisco / WebEx
 cpe:/a:cisco:webex:contact_center Contact Center
CVE-2026-20184
Affected products
Product Identifier Version Remediation
Cisco WebEx Services
Cisco / WebEx
 cpe:/a:cisco:webex:services Services
References
To clipboard 

{
  "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 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": "Der WebEx Meeting Service ist ein Multimedia Konferenz System von Cisco.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in Cisco WebEx ausnutzen, um einen Cross-Site Scripting Angriff durchzuf\u00fchren und um Sicherheitsvorkehrungen zu umgehen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- Sonstiges\n- UNIX\n- Windows",
        "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-2026-1132 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1132.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-1132 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1132"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisory cisco-sa-webexcc-xss-WEX5nUnA vom 2026-04-15",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webexcc-xss-WEX5nUnA"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisory cisco-sa-webex-cui-cert-8jSZYhWL vom 2026-04-15",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-cui-cert-8jSZYhWL"
      }
    ],
    "source_lang": "en-US",
    "title": "Cisco WebEx: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-04-15T22:00:00.000+00:00",
      "generator": {
        "date": "2026-04-16T10:39:05.326+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2026-1132",
      "initial_release_date": "2026-04-15T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-04-15T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "Contact Center",
                "product": {
                  "name": "Cisco WebEx Contact Center",
                  "product_id": "T052880",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cisco:webex:contact_center"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "Services",
                "product": {
                  "name": "Cisco WebEx Services",
                  "product_id": "T052881",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cisco:webex:services"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "WebEx"
          }
        ],
        "category": "vendor",
        "name": "Cisco"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-20170",
      "product_status": {
        "known_affected": [
          "T052880"
        ]
      },
      "release_date": "2026-04-15T22:00:00.000+00:00",
      "title": "CVE-2026-20170"
    },
    {
      "cve": "CVE-2026-20184",
      "product_status": {
        "known_affected": [
          "T052881"
        ]
      },
      "release_date": "2026-04-15T22:00:00.000+00:00",
      "title": "CVE-2026-20184"
    }
  ]
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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