CVE-2021-1402
Vulnerability from cvelistv5
Published
2021-04-29 17:15
Modified
2024-11-08 23:25
Summary
Cisco Firepower Threat Defense Software SSL Decryption Policy Denial of Service Vulnerability
Impacted products
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T16:11:16.984Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20210428 Cisco Firepower Threat Defense Software SSL Decryption Policy Denial of Service Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-ssl-decrypt-dos-DdyLuK6c"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-1402",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-08T20:02:25.729317Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-08T23:25:17.062Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Cisco Firepower Threat Defense Software",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2021-04-28T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the software-based SSL/TLS message handler of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient validation of SSL/TLS messages when the device performs software-based SSL decryption. An attacker could exploit this vulnerability by sending a crafted SSL/TLS message through an affected device. SSL/TLS messages sent to an affected device do not trigger this vulnerability. A successful exploit could allow the attacker to cause a process to crash. This crash would then trigger a reload of the device. No manual intervention is needed to recover the device after the reload."
        }
      ],
      "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": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "CWE-119",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-04-29T17:15:17",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "20210428 Cisco Firepower Threat Defense Software SSL Decryption Policy Denial of Service Vulnerability",
          "tags": [
            "vendor-advisory",
            "x_refsource_CISCO"
          ],
          "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-ssl-decrypt-dos-DdyLuK6c"
        }
      ],
      "source": {
        "advisory": "cisco-sa-ftd-ssl-decrypt-dos-DdyLuK6c",
        "defect": [
          [
            "CSCvo46649"
          ]
        ],
        "discovery": "INTERNAL"
      },
      "title": "Cisco Firepower Threat Defense Software SSL Decryption Policy Denial of Service Vulnerability",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "DATE_PUBLIC": "2021-04-28T16:00:00",
          "ID": "CVE-2021-1402",
          "STATE": "PUBLIC",
          "TITLE": "Cisco Firepower Threat Defense Software SSL Decryption Policy Denial of Service Vulnerability"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Cisco Firepower Threat Defense Software",
                      "version": {
                        "version_data": [
                          {
                            "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 software-based SSL/TLS message handler of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient validation of SSL/TLS messages when the device performs software-based SSL decryption. An attacker could exploit this vulnerability by sending a crafted SSL/TLS message through an affected device. SSL/TLS messages sent to an affected device do not trigger this vulnerability. A successful exploit could allow the attacker to cause a process to crash. This crash would then trigger a reload of the device. No manual intervention is needed to recover the device after the reload."
            }
          ]
        },
        "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": "8.6",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-119"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "20210428 Cisco Firepower Threat Defense Software SSL Decryption Policy Denial of Service Vulnerability",
              "refsource": "CISCO",
              "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-ssl-decrypt-dos-DdyLuK6c"
            }
          ]
        },
        "source": {
          "advisory": "cisco-sa-ftd-ssl-decrypt-dos-DdyLuK6c",
          "defect": [
            [
              "CSCvo46649"
            ]
          ],
          "discovery": "INTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2021-1402",
    "datePublished": "2021-04-29T17:15:17.610491Z",
    "dateReserved": "2020-11-13T00:00:00",
    "dateUpdated": "2024-11-08T23:25:17.062Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-1402\",\"sourceIdentifier\":\"ykramarz@cisco.com\",\"published\":\"2021-04-29T18:15:08.923\",\"lastModified\":\"2022-08-05T16:17:05.070\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the software-based SSL/TLS message handler of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient validation of SSL/TLS messages when the device performs software-based SSL decryption. An attacker could exploit this vulnerability by sending a crafted SSL/TLS message through an affected device. SSL/TLS messages sent to an affected device do not trigger this vulnerability. A successful exploit could allow the attacker to cause a process to crash. This crash would then trigger a reload of the device. No manual intervention is needed to recover the device after the reload.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en el controlador de mensajes SSL/TLS basado en software del software Cisco Firepower Threat Defense (FTD) podr\u00eda permitir a un atacante remoto no autenticado activar una recarga de un dispositivo afectado, resultando en una condici\u00f3n de denegaci\u00f3n de servicio (DoS).\u0026#xa0;La vulnerabilidad es debido a una comprobaci\u00f3n insuficiente de los mensajes SSL/TLS cuando el dispositivo lleva a cabo el descifrado SSL basado en software.\u0026#xa0;Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de un mensaje SSL/TLS dise\u00f1ado por medio de un dispositivo afectado.\u0026#xa0;Los mensajes SSL/TLS enviados a un dispositivo afectado no desencadenan esta vulnerabilidad.\u0026#xa0;Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante causar el bloqueo de un proceso.\u0026#xa0;Este bloqueo podr\u00eda entonces desencadenar una recarga del dispositivo.\u0026#xa0;No es necesaria una intervenci\u00f3n manual para recuperar el dispositivo despu\u00e9s de la recarga\"}],\"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:C/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.6,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":4.0}],\"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:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.6,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":4.0}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:C\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\",\"baseScore\":7.8},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]},{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.3.0\",\"versionEndExcluding\":\"6.4.0\",\"matchCriteriaId\":\"0B60D48C-19D8-4015-8D25-D3C0165C6080\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.5.0\",\"versionEndExcluding\":\"6.6.0\",\"matchCriteriaId\":\"B5432C87-A9AF-4CC8-8573-443562963519\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:a:cisco:firepower_threat_defense_virtual:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A38E373E-438F-44F6-AABF-2C57142507EE\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:asa_5512-x:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"08F0F160-DAD2-48D4-B7B2-4818B2526F35\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:asa_5515-x:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"977D597B-F6DE-4438-AB02-06BE64D71EBE\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:asa_5525-x:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EB71EB29-0115-4307-A9F7-262394FD9FB0\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:asa_5545-x:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"57179F60-E330-4FF0-9664-B1E4637FF210\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:asa_5555-x:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5535C936-391B-4619-AA03-B35265FC15D7\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:firepower_1010:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7FFE3880-4B85-4E23-9836-70875D5109F7\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:firepower_1120:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"727A02E8-40A1-4DFE-A3A2-91D628D3044F\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:firepower_1140:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"19F6546E-28F4-40DC-97D6-E0E023FE939B\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:firepower_1150:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EB3B0EC3-4654-4D90-9D41-7EC2AD1DDF99\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:firepower_2110:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"52D96810-5F79-4A83-B8CA-D015790FCF72\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:firepower_2120:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"16FE2945-4975-4003-AE48-7E134E167A7F\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:firepower_2130:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DCE7122A-5AA7-4ECD-B024-E27C9D0CFB7B\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:firepower_2140:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"976901BF-C52C-4F81-956A-711AF8A60140\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:isa_3000:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9510E97A-FD78-43C6-85BC-223001ACA264\"}]}]}],\"references\":[{\"url\":\"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-ssl-decrypt-dos-DdyLuK6c\",\"source\":\"ykramarz@cisco.com\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...

Loading...

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.