FKIE_CVE-2021-1577

Vulnerability from fkie_nvd - Published: 2021-08-25 20:15 - Updated: 2026-06-17 03:32
Severity
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Summary
A vulnerability in an API endpoint of Cisco Application Policy Infrastructure Controller (APIC) and Cisco Cloud Application Policy Infrastructure Controller (Cloud APIC) could allow an unauthenticated, remote attacker to read or write arbitrary files on an affected system. This vulnerability is due to improper access control. An attacker could exploit this vulnerability by using a specific API endpoint to upload a file to an affected device. A successful exploit could allow the attacker to read or write arbitrary files on an affected device.
References
psirt@cisco.comhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-frw-Nt3RYxR2Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-frw-Nt3RYxR2Vendor Advisory
Impacted products
Vendor Product Version
cisco application_policy_infrastructure_controller *
cisco application_policy_infrastructure_controller *
cisco application_policy_infrastructure_controller *
cisco cloud_application_policy_infrastructure_controller *
cisco cloud_application_policy_infrastructure_controller *
cisco cloud_application_policy_infrastructure_controller *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Cisco Application Policy Infrastructure Controller (APIC)",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "psirt@cisco.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:cisco:application_policy_infrastructure_controller:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FBD10720-FB92-47CF-9F2B-90D09945DE86",
              "versionEndExcluding": "3.2\\(10e\\)",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:cisco:application_policy_infrastructure_controller:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3F9513E4-EC22-40D0-9339-49926BEB9947",
              "versionEndExcluding": "4.2\\(6h\\)",
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            },
            {
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              "matchCriteriaId": "1DEF7843-7BCB-47A7-AD56-A102AC67BD47",
              "versionEndExcluding": "5.1\\(3e\\)",
              "versionStartIncluding": "5.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:cisco:cloud_application_policy_infrastructure_controller:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "09451843-4634-4B4F-B005-7CB1747B244D",
              "versionEndExcluding": "3.2\\(10e\\)",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:cisco:cloud_application_policy_infrastructure_controller:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "CAA718C7-5A6D-406A-9AC7-E339BB652F0C",
              "versionEndExcluding": "4.2\\(6h\\)",
              "versionStartIncluding": "4.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:cisco:cloud_application_policy_infrastructure_controller:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9DCB6614-D3C4-46A9-88D5-00D28E74485D",
              "versionEndExcluding": "5.1\\(3e\\)",
              "versionStartIncluding": "5.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in an API endpoint of Cisco Application Policy Infrastructure Controller (APIC) and Cisco Cloud Application Policy Infrastructure Controller (Cloud APIC) could allow an unauthenticated, remote attacker to read or write arbitrary files on an affected system. This vulnerability is due to improper access control. An attacker could exploit this vulnerability by using a specific API endpoint to upload a file to an affected device. A successful exploit could allow the attacker to read or write arbitrary files on an affected device."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en un endpoint de la API de Cisco Application Policy Infrastructure Controller (APIC) y Cisco Cloud Application Policy Infrastructure Controller (Cloud APIC) podr\u00eda permitir a un atacante remoto no autenticado leer o escribir archivos arbitrarios en un sistema afectado. Esta vulnerabilidad es debido a un control de acceso inapropiado. Un atacante podr\u00eda explotar esta vulnerabilidad al usar un endpoint espec\u00edfico de la API para cargar un archivo en un dispositivo afectado. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante leer o escribir archivos arbitrarios en un dispositivo afectado."
    }
  ],
  "id": "CVE-2021-1577",
  "lastModified": "2026-06-17T03:32:05.557",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 6.4,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.2,
        "source": "psirt@cisco.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-1577",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-11-07T21:55:57.285103Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2021-08-25T20:15:09.883",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-frw-Nt3RYxR2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-frw-Nt3RYxR2"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "psirt@cisco.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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