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CVE-2020-16138

Estado: ModificadaAlta (7.5)—

A denial-of-service issue in Cisco Unified IP Conference Station 7937G 1-4-4-0 through 1-4-5-7 allows attackers to remotely disable the device until it is power cycled. Note: We cannot prove this vulnerability exists. Out of an abundance of caution, this CVE is being assigned to better serve our customers and ensure all who are still running this product understand that the product is end of life and should be removed or upgraded. For more information on this, and how to upgrade, refer to the CVE’s reference information

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Cisco — Unified IP Conference Station 7937g Firmware

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2020-16138",
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      "sourceIdentifier": "cve@mitre.org"
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          "role": "CISA Coordinator",
          "options": [
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              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2024-04-24T16:09:12.105578Z"
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
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        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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    "cvssMetricV31": [
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  "published": "2020-08-12T21:15:12.063",
  "references": [
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      "tags": [
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      "source": "cve@mitre.org"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A denial-of-service issue in Cisco Unified IP Conference Station 7937G 1-4-4-0 through 1-4-5-7 allows attackers to remotely disable the device until it is power cycled. Note: We cannot prove this vulnerability exists. Out of an abundance of caution, this CVE is being assigned to better serve our customers and ensure all who are still running this product understand that the product is end of life and should be removed or upgraded. For more information on this, and how to upgrade, refer to the CVE’s reference information"
    },
    {
      "lang": "es",
      "value": "** NO SOPORTADO CUANDO FUE ASIGNADO ** Un problema de denegación de servicio en Cisco Unified IP Conference Station 7937G versiones 1-4-4-0 hasta 1-4-5-7, permite a atacantes deshabilitar de remotamente el dispositivo hasta que se apaga y enciende. Nota: No podemos probar que esta vulnerabilidad exista. Por precaución, este CVE se asigna para brindar un mejor servicio a nuestros clientes y garantizar que todos los que aún usan este producto comprendan que el producto está al final de su vida útil y que debe ser eliminado o actualizado. Para más información sobre esto y cómo actualizar, consulte la información de referencia del CVE"
    }
  ],
  "lastModified": "2026-06-17T02:57:46.297",
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