cve-2019-1980
Vulnerability from cvelistv5
Published
2019-08-16 00:00
Modified
2024-08-04 18:35
Severity
Summary
Cisco Firepower Threat Defense Software Nonstandard Protocol Detection Bypass Vulnerability
Impacted products
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T18:35:52.346Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20190816 Cisco Firepower Threat Defense Software Nonstandard Protocol Detection Bypass Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190816-ftd-nspd"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Cisco Firepower Threat Defense Software ",
          "vendor": "Cisco",
          "versions": [
            {
              "lessThan": "n/a",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2019-08-16T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the protocol detection component of Cisco Firepower Threat Defense Software, Cisco FirePOWER Services Software for ASA, and Cisco Firepower Management Center Software could allow an unauthenticated, remote attacker to bypass filtering protections. The vulnerability is due to improper detection of the initial use of a protocol on a nonstandard port. An attacker could exploit this vulnerability by sending traffic on a nonstandard port for the protocol in use through an affected device. An exploit could allow the attacker to bypass filtering and deliver malicious requests to protected systems that would otherwise be blocked. Once the initial protocol flow on the nonstandard port is detected, future flows on the nonstandard port will be successfully detected and handled as configured by the applied policy."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory. "
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-264",
              "description": "CWE-264",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-11-05T19:35:41",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "20190816 Cisco Firepower Threat Defense Software Nonstandard Protocol Detection Bypass Vulnerability",
          "tags": [
            "vendor-advisory",
            "x_refsource_CISCO"
          ],
          "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190816-ftd-nspd"
        }
      ],
      "source": {
        "advisory": "cisco-sa-20190816-ftd-nspd",
        "defect": [
          [
            "CSCvq39888"
          ]
        ],
        "discovery": "INTERNAL"
      },
      "title": "Cisco Firepower Threat Defense Software Nonstandard Protocol Detection Bypass Vulnerability",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "DATE_PUBLIC": "2019-08-16T16:00:00-0700",
          "ID": "CVE-2019-1980",
          "STATE": "PUBLIC",
          "TITLE": "Cisco Firepower Threat Defense Software Nonstandard Protocol Detection Bypass Vulnerability"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Cisco Firepower Threat Defense Software ",
                      "version": {
                        "version_data": [
                          {
                            "affected": "\u003c",
                            "version_affected": "\u003c",
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Cisco"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability in the protocol detection component of Cisco Firepower Threat Defense Software, Cisco FirePOWER Services Software for ASA, and Cisco Firepower Management Center Software could allow an unauthenticated, remote attacker to bypass filtering protections. The vulnerability is due to improper detection of the initial use of a protocol on a nonstandard port. An attacker could exploit this vulnerability by sending traffic on a nonstandard port for the protocol in use through an affected device. An exploit could allow the attacker to bypass filtering and deliver malicious requests to protected systems that would otherwise be blocked. Once the initial protocol flow on the nonstandard port is detected, future flows on the nonstandard port will be successfully detected and handled as configured by the applied policy."
            }
          ]
        },
        "exploit": [
          {
            "lang": "en",
            "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory. "
          }
        ],
        "impact": {
          "cvss": {
            "baseScore": "5.8",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N ",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-264"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "20190816 Cisco Firepower Threat Defense Software Nonstandard Protocol Detection Bypass Vulnerability",
              "refsource": "CISCO",
              "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190816-ftd-nspd"
            }
          ]
        },
        "source": {
          "advisory": "cisco-sa-20190816-ftd-nspd",
          "defect": [
            [
              "CSCvq39888"
            ]
          ],
          "discovery": "INTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2019-1980",
    "datePublished": "2019-08-16T00:00:00",
    "dateReserved": "2018-12-06T00:00:00",
    "dateUpdated": "2024-08-04T18:35:52.346Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2019-1980\",\"sourceIdentifier\":\"ykramarz@cisco.com\",\"published\":\"2019-11-05T20:15:11.690\",\"lastModified\":\"2019-11-08T20:09:45.717\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the protocol detection component of Cisco Firepower Threat Defense Software, Cisco FirePOWER Services Software for ASA, and Cisco Firepower Management Center Software could allow an unauthenticated, remote attacker to bypass filtering protections. The vulnerability is due to improper detection of the initial use of a protocol on a nonstandard port. An attacker could exploit this vulnerability by sending traffic on a nonstandard port for the protocol in use through an affected device. An exploit could allow the attacker to bypass filtering and deliver malicious requests to protected systems that would otherwise be blocked. Once the initial protocol flow on the nonstandard port is detected, future flows on the nonstandard port will be successfully detected and handled as configured by the applied policy.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en el componente de detecci\u00f3n de protocolo del software Cisco Firepower Threat Defense, el software Cisco FirePOWER Services para ASA y el software Cisco Firepower Management Center, podr\u00eda permitir a un atacante remoto no autenticado omitir las protecciones de filtrado. La vulnerabilidad es debido a la detecci\u00f3n inapropiada del uso inicial de un protocolo en un puerto no est\u00e1ndar. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de tr\u00e1fico sobre un puerto no est\u00e1ndar para el protocolo en uso por medio de un dispositivo afectado. Una explotaci\u00f3n podr\u00eda permitir al atacante omitir el filtrado y entregar peticiones maliciosas hacia los sistemas protegidos que de otra manera se bloquear\u00edan. Una vez que se detecta el flujo de protocolo inicial sobre el puerto no est\u00e1ndar, los flujos futuros sobre el puerto no est\u00e1ndar ser\u00e1n detectados con \u00e9xito y manejados seg\u00fan lo configurado mediante la pol\u00edtica aplicada.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}],\"cvssMetricV30\":[{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.8,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:P/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]},{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-264\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.9.12\",\"versionEndIncluding\":\"2.9.12.15\",\"matchCriteriaId\":\"2EB07E43-757D-44C7-A7CE-E189FAED4EE2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.9.13\",\"versionEndIncluding\":\"2.9.13.6\",\"matchCriteriaId\":\"04536B2B-A03B-48A1-A618-8D25B549B0F7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.9.14.0\",\"versionEndIncluding\":\"2.9.14.5\",\"matchCriteriaId\":\"354AF2D1-DFD8-4187-B8BC-B0559539CF4C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_management_center:2.9.15:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C53AE9E8-F123-42ED-BB8D-AC625E998951\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_management_center:2.9.16:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C96EC981-446D-4741-AEE0-F615A468A7FF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_services_software_for_asa:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0A70505F-E716-439B-BE8C-B4CC3DF080E7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E102D5C4-D296-4F09-B4FA-62CD8E2E5CB1\"}]}]}],\"references\":[{\"url\":\"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190816-ftd-nspd\",\"source\":\"ykramarz@cisco.com\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...