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CVE-2020-5894

Estado: ModificadaAlta (8.1)—

On versions 3.0.0-3.3.0, the NGINX Controller webserver does not invalidate the server-side session token after users log out.

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)

F5 — Nginx Controller

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-5894",
  "cveTags": [],
  "metrics": {
    "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
      }
    ],
    "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": "f5sirt@f5.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "NGINX Controller",
          "versions": [
            {
              "status": "affected",
              "version": "< 3.4.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-05-07T13:15:12.137",
  "references": [
    {
      "url": "https://support.f5.com/csp/article/K13028514",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "f5sirt@f5.com"
    },
    {
      "url": "https://support.f5.com/csp/article/K13028514",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-384"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "On versions 3.0.0-3.3.0, the NGINX Controller webserver does not invalidate the server-side session token after users log out."
    },
    {
      "lang": "es",
      "value": "En las versiones 3.0.0 hasta 3.3.0, el servidor web de NGINX Controller no invalida el token de sesión del lado del servidor después de que los usuarios cierran sesión."
    }
  ],
  "lastModified": "2026-06-17T03:22:24.700",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:f5:nginx_controller:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FEC06203-B457-451D-A42E-5D3A0A1226B1",
              "versionEndIncluding": "3.3.0",
              "versionStartIncluding": "3.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "f5sirt@f5.com"
}