« Volver al listado

CVE-2020-5793

Estado: ModificadaAlta (7.8)—

A vulnerability in Nessus versions 8.9.0 through 8.12.0 for Windows & Nessus Agent 8.0.0 and 8.1.0 for Windows could allow an authenticated local attacker to copy user-supplied files to a specially constructed path in a specifically named user directory. An attacker could exploit this vulnerability by creating a malicious file and copying the file to a system directory. The attacker needs valid credentials on the Windows system to exploit this vulnerability.

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 (2)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-5793",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "vulnreport@tenable.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Tenable Nessus for Windows and Tenable Nessus Agent for Windows",
          "versions": [
            {
              "status": "affected",
              "version": "Nessus Agent 8.0.0 and 8.1.0 / Nessus 8.9.0 through Nessus 8.12.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-11-05T20:15:17.270",
  "references": [
    {
      "url": "https://www.tenable.com/security/tns-2020-07",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "vulnreport@tenable.com"
    },
    {
      "url": "https://www.tenable.com/security/tns-2020-08",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "vulnreport@tenable.com"
    },
    {
      "url": "https://www.tenable.com/security/tns-2020-07",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.tenable.com/security/tns-2020-08",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in Nessus versions 8.9.0 through 8.12.0 for Windows & Nessus Agent 8.0.0 and 8.1.0 for Windows could allow an authenticated local attacker to copy user-supplied files to a specially constructed path in a specifically named user directory. An attacker could exploit this vulnerability by creating a malicious file and copying the file to a system directory. The attacker needs valid credentials on the Windows system to exploit this vulnerability."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en Nessus versiones 8.9.0 a 8.12.0, para Windows y Nessus Agent versiones 8.0.0 y 8.1.0 para Windows, podría permitir a un atacante local autenticado copiar archivos suministrados por el usuario en una ruta especialmente construida en un directorio de usuario con nombre específico. Un atacante podría explotar esta vulnerabilidad mediante la creación de un archivo malicioso y copiar el archivo en un directorio del sistema. El atacante necesita credenciales válidas en el sistema Windows para explotar esta vulnerabilidad"
    }
  ],
  "lastModified": "2026-06-17T03:22:14.927",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E7779DB7-0EDD-46C6-B140-B6C9B7DC4DD6",
              "versionEndIncluding": "8.12.0",
              "versionStartIncluding": "8.9.0"
            },
            {
              "criteria": "cpe:2.3:a:tenable:nessus_agent:8.0.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2E9B50E8-711C-4812-9D54-D3CC81294F75"
            },
            {
              "criteria": "cpe:2.3:a:tenable:nessus_agent:8.1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E316EC25-E5EA-4EFA-9D01-E0617D565FD2"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "vulnreport@tenable.com"
}