« Volver al listado

CVE-2021-1227

Estado: ModificadaAlta (8.1)—

A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system. This vulnerability is due to insufficient CSRF protections for the NX-API on an affected device. An attacker could exploit this vulnerability by persuading a user of the NX-API to follow a malicious link. A successful exploit could allow the attacker to perform arbitrary actions with the privilege level of the affected user. The attacker could view and modify the device configuration. Note: The NX-API feature is disabled by default.

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)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-1227",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-1227",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-11-08T20:20:57.173951Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "psirt@cisco.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 2.8
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@cisco.com",
      "affectedData": [
        {
          "vendor": "Cisco",
          "product": "Cisco NX-OS Software",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-02-24T20:15:12.410",
  "references": [
    {
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-nxapi-csrf-wRMzWL9z",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-nxapi-csrf-wRMzWL9z",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@cisco.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system. This vulnerability is due to insufficient CSRF protections for the NX-API on an affected device. An attacker could exploit this vulnerability by persuading a user of the NX-API to follow a malicious link. A successful exploit could allow the attacker to perform arbitrary actions with the privilege level of the affected user. The attacker could view and modify the device configuration. Note: The NX-API feature is disabled by default."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la funcionalidad NX-API del software Cisco NX-OS podría permitir a un atacante remoto no autenticado llevar a cabo un ataque de tipo cross-site request forgery (CSRF) en un sistema afectado. Esta vulnerabilidad es debido a las protecciones CSRF insuficientes para la NX-API en un dispositivo afectado. Un atacante podría explotar esta vulnerabilidad al persuadir a un usuario de la NX-API para que siga un enlace malicioso. Una explotación con éxito podría permitir al atacante llevar a cabo acciones arbitrarias con el nivel de privilegio del usuario afectado. El atacante podría visualizar  y modificar la configuración del dispositivo. Nota: La funcionalidad NX-API está desactivada por defecto"
    }
  ],
  "lastModified": "2026-06-17T03:31:16.137",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:nx-os:8.4\\(2a\\):*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B9E85905-A3F0-43C0-A578-6E9C14033D3D"
            },
            {
              "criteria": "cpe:2.3:o:cisco:nx-os:8.4\\(3\\):*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1D725607-74D5-4700-B4B7-0C35D119F9BE"
            },
            {
              "criteria": "cpe:2.3:o:cisco:nx-os:8.4\\(3\\)s19:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5B15BFF7-F074-4FE9-ACB6-CC82D9D226C4"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:cisco:mds_9148s:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "D25FA4A8-408B-4E94-B7D9-7DC54B61322F"
            },
            {
              "criteria": "cpe:2.3:h:cisco:mds_9250i:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "67CD5738-029B-43AA-9342-63719DC16138"
            },
            {
              "criteria": "cpe:2.3:h:cisco:mds_9706:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "5182CB50-4D32-4835-B1A8-817D989F919F"
            },
            {
              "criteria": "cpe:2.3:h:cisco:mds_9710:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "36B3B617-7554-4C36-9B41-19AA3BD2F6E9"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_7000:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "12180BEB-7F21-4FA7-ABD2-E9A8EA7340F3"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_7700:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "DD7A4B4B-3BB1-4A4D-911E-C4EEF01BBC45"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:nx-os:9.3\\(3\\)idi9\\(0.569\\):*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "90F7158A-AFAC-4E2A-84FD-426FC44AC452"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3048:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "FC2A6C31-438A-4CF5-A3F3-364B1672EB7D"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_31108pv-v:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "29B34855-D8D2-4114-80D2-A4D159C62458"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_31108tc-v:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "7BF4B8FE-E134-4491-B5C2-C1CFEB64731B"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_31128pq:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "F4226DA0-9371-401C-8247-E6E636A116C3"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3132c-z:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "7664666F-BCE4-4799-AEEA-3A73E6AD33F4"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3132q-v:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "B3293438-3D18-45A2-B093-2C3F65783336"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3132q-x:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "C97C29EE-9426-4BBE-8D84-AB5FF748703D"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3132q-xl:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "8F43B770-D96C-44EA-BC12-9F39FC4317B9"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3164q:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "FA782EB3-E8E6-4DCF-B39C-B3CBD46E4384"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3172pq:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "CED628B5-97A8-4B26-AA40-BEC854982157"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3172pq-xl:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "7BB9DD73-E31D-4921-A6D6-E14E04703588"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3232c:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "652A2849-668D-4156-88FB-C19844A59F33"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3264c-e:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "24FBE87B-8A4F-43A8-98A3-4A7D9C630937"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3264q:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "6ACD09AC-8B28-4ACB-967B-AB3D450BC137"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3408-s:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "7D397349-CCC6-479B-9273-FB1FFF4F34F2"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_34180yc:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "DC7286A7-780F-4A45-940A-4AD5C9D0F201"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3432d-s:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "5F7AF8D7-431B-43CE-840F-CC0817D159C0"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3464c:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "DAC204C8-1A5A-4E85-824E-DC9B8F6A802D"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3524-x:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "10F80A72-AD54-4699-B8AE-82715F0B58E2"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3524-xl:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "9354B6A2-D7D6-442E-BF4C-FE8A336D9E94"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3548-x:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "74CB4002-7636-4382-B33E-FBA060A13C34"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3548-xl:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "10CEBF73-3EE0-459A-86C5-F8F6243FE27C"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_36180yc-r:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "95D2C4C3-65CE-4612-A027-AF70CEFC3233"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_3636c-r:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "57572E4A-78D5-4D1A-938B-F05F01759612"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_9200:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "532CE4B0-A3C9-4613-AAAF-727817D06FB4"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_9300:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "92E2CB2B-DA11-4CF7-9D57-3D4D48990DC0"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_9500:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "63BE0266-1C00-4D6A-AD96-7F82532ABAA7"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:nx-os:7.3\\(8\\)n1\\(0.809\\):*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6DE5E39F-ECE1-44E6-9CFE-FEF903317E46"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:cisco:nexus_5548p:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "E5519EA9-1236-4F51-9974-E3FC1B26B5D2"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_5548up:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "CB0A3B06-8B25-4CD3-AFA9-5F928B1042F4"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_5596t:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "1766443C-1C5A-486E-A36F-D3045F364D78"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_5596up:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "DC4D4403-F93B-4CC8-B75F-7A5B03FEDD85"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_56128p:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "ABB6E612-4246-4408-B3F6-B31E771F5ACB"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_5624q:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "91B129B2-2B31-4DE0-9F83-CC6E0C8729A0"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_5648q:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "3CBD3CD0-B542-4B23-9C9D-061643BE44E8"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_5672up:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "A22A2647-A4C0-4681-BBC5-D95ADBAA0457"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_5672up-16g:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "367C2A49-4C4D-471B-9B34-AFAFA5AE9503"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_5696q:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "B2BB1A3A-668C-4B0D-8AC2-6B4758B3420B"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_6001:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "A9662D6B-AF0F-45C8-B7CD-AE7C76593FDB"
            },
            {
              "criteria": "cpe:2.3:h:cisco:nexus_6004:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "4F557E38-09F6-42C6-BABA-3C3168B38BBA"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com"
}