« Volver al listado

CVE-2019-1810

Estado: ModificadaMedia (6.7)—

A vulnerability in the Image Signature Verification feature used in an NX-OS CLI command in Cisco Nexus 3000 Series and 9000 Series Switches could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability exists because software digital signatures are not properly verified during CLI command execution. An attacker could exploit this vulnerability to install an unsigned software image on an affected device. Note: If the device has not been patched for the vulnerability previously disclosed in the Cisco Security Advisory cisco-sa-20190306-nxos-sig-verif, a successful exploit could allow the attacker to boot a malicious software image.

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-2019-1810",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2019-1810",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-11-20T16:54:34.587099Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "psirt@cisco.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 6.7,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.8
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.7,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.8
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@cisco.com",
      "affectedData": [
        {
          "vendor": "Cisco",
          "product": "Cisco NX-OS Software",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "8.3(1)",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-05-15T23:29:01.153",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/108431",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-sisv",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/108431",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-sisv",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@cisco.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-347"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-347"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the Image Signature Verification feature used in an NX-OS CLI command in Cisco Nexus 3000 Series and 9000 Series Switches could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability exists because software digital signatures are not properly verified during CLI command execution. An attacker could exploit this vulnerability to install an unsigned software image on an affected device. Note: If the device has not been patched for the vulnerability previously disclosed in the Cisco Security Advisory cisco-sa-20190306-nxos-sig-verif, a successful exploit could allow the attacker to boot a malicious software image."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la función  Image Signature Verification utilizada en un comando CLI de NX-OS en los switches de las series Nexus 3000 y 9000 de Cisco podría permitir a un atacante local autenticado con credenciales de administrador para instalar una imagen de programa malicioso en un dispositivo afectado. La vulnerabilidad se debe a que las firmas digitales del programa no se verifican correctamente durante la ejecución del comando CLI. Un atacante podría aprovechar esta vulnerabilidad para instalar una imagen de programa sin firmar en un dispositivo afectado. Nota: Si el dispositivo no ha sido parchado para la vulnerabilidad descrita anteriormente en el Aviso de seguridad de Cisco cisco-sa-20190306-nxos-sig-verif, un ataque exitoso podría permitir al atacante iniciar una imagen de programa malicioso."
    }
  ],
  "lastModified": "2026-06-17T02:29:21.657",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "210189FB-C22C-4257-90F8-15A4423F7BF9",
              "versionEndExcluding": "7.0\\(3\\)i7\\(5\\)",
              "versionStartIncluding": "6.1\\(2\\)i3\\(4\\)"
            },
            {
              "criteria": "cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "59A1E5DE-BF89-49F3-87C0-0C2A51F28CFA",
              "versionEndExcluding": "9.2\\(2\\)",
              "versionStartIncluding": "7.0\\(3\\)i7\\(5a\\)"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:cisco:n3k-c3164q:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "D37D6E65-9F11-4C3C-857B-8509B276467A"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CAEE89CF-815F-4A7B-B17B-9125AA04A033",
              "versionEndExcluding": "7.0\\(3\\)i7\\(1\\)",
              "versionStartIncluding": "7.0\\(3\\)i3\\(1\\)"
            },
            {
              "criteria": "cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CF2CCA0F-9A2E-4E5A-8A62-5F8F7ABFC9BD",
              "versionEndExcluding": "9.2\\(1\\)",
              "versionStartIncluding": "7.0\\(3\\)i7\\(2\\)"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:cisco:n3k-c3232c:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "F7916925-6E0A-41DB-B902-7028EB579013"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BB455C80-FB82-4AAF-A63E-A3E23E19E73B",
              "versionEndExcluding": "7.0\\(3\\)i7\\(5\\)",
              "versionStartIncluding": "7.0\\(3\\)i4\\(1\\)"
            },
            {
              "criteria": "cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "59A1E5DE-BF89-49F3-87C0-0C2A51F28CFA",
              "versionEndExcluding": "9.2\\(2\\)",
              "versionStartIncluding": "7.0\\(3\\)i7\\(5a\\)"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:cisco:n9k-c92304qc:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "876304F4-4CE5-45B8-ADF5-2523319D05BB"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8EF1BA94-CF4C-4615-9514-161890C3E8CC",
              "versionEndExcluding": "7.0\\(3\\)i7\\(5\\)",
              "versionStartIncluding": "7.0\\(3\\)i4\\(2\\)"
            },
            {
              "criteria": "cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "59A1E5DE-BF89-49F3-87C0-0C2A51F28CFA",
              "versionEndExcluding": "9.2\\(2\\)",
              "versionStartIncluding": "7.0\\(3\\)i7\\(5a\\)"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:cisco:n9k-c9232c:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "2A9C0219-7EDC-40FD-A66B-24A92993F692"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com"
}