FKIE_CVE-2020-16138

Vulnerability from fkie_nvd - Published: 2020-08-12 21:15 - Updated: 2026-06-17 02:57
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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
References
cve@mitre.orghttps://packetstormsecurity.com/files/158819/Cisco-7937G-Denial-Of-Service.htmlExploit, Third Party Advisory, VDB Entry
cve@mitre.orghttps://www.blacklanternsecurity.com/2020-08-07-Cisco-Unified-IP-Conference-Station-7937G/Exploit, Third Party Advisory
cve@mitre.orghttps://www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/unified-ip-phone-7940g/end_of_life_notice_c51-729487.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://packetstormsecurity.com/files/158819/Cisco-7937G-Denial-Of-Service.htmlExploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://www.blacklanternsecurity.com/2020-08-07-Cisco-Unified-IP-Conference-Station-7937G/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/unified-ip-phone-7940g/end_of_life_notice_c51-729487.htmlVendor Advisory
Impacted products
Vendor Product Version
cisco unified_ip_conference_station_7937g_firmware *
cisco unified_ip_conference_station_7937g -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:unified_ip_conference_station_7937g_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "55A411E1-7568-4E8C-8AA7-B1B088769C69",
              "versionEndIncluding": "1.4.5.7",
              "versionStartIncluding": "1.4.4.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:cisco:unified_ip_conference_station_7937g:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "F7059B88-1FA4-45DB-9344-296E6F23968D",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [
    {
      "sourceIdentifier": "cve@mitre.org",
      "tags": [
        "unsupported-when-assigned"
      ]
    }
  ],
  "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\u2019s reference information"
    },
    {
      "lang": "es",
      "value": "** NO SOPORTADO CUANDO FUE ASIGNADO ** Un problema de denegaci\u00f3n 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 precauci\u00f3n, este CVE se asigna para brindar un mejor servicio a nuestros clientes y garantizar que todos los que a\u00fan usan este producto comprendan que el producto est\u00e1 al final de su vida \u00fatil y que debe ser eliminado o actualizado. Para m\u00e1s informaci\u00f3n sobre esto y c\u00f3mo actualizar, consulte la informaci\u00f3n de referencia del CVE"
    }
  ],
  "id": "CVE-2020-16138",
  "lastModified": "2026-06-17T02:57:46.297",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2020-16138",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-04-24T16:09:12.105578Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2020-08-12T21:15:12.063",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://packetstormsecurity.com/files/158819/Cisco-7937G-Denial-Of-Service.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.blacklanternsecurity.com/2020-08-07-Cisco-Unified-IP-Conference-Station-7937G/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/unified-ip-phone-7940g/end_of_life_notice_c51-729487.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://packetstormsecurity.com/files/158819/Cisco-7937G-Denial-Of-Service.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.blacklanternsecurity.com/2020-08-07-Cisco-Unified-IP-Conference-Station-7937G/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/unified-ip-phone-7940g/end_of_life_notice_c51-729487.html"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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