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CVE-2021-41246

Estado: ModificadaAlta (8.8)—

Express OpenID Connect is express JS middleware implementing sign on for Express web apps using OpenID Connect. Versions before and including `2.5.1` do not regenerate the session id and session cookie when user logs in. This behavior opens up the application to various session fixation vulnerabilities. Versions `2.5.2` contains a patch for this issue.

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)

Auth0 — Express Openid Connect

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-41246",
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        "source": "nvd@nist.gov",
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          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-384"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Express OpenID Connect is express JS middleware implementing sign on for Express web apps using OpenID Connect. Versions before and including `2.5.1` do not regenerate the session id and session cookie when user logs in. This behavior opens up the application to various session fixation vulnerabilities. Versions `2.5.2` contains a patch for this issue."
    },
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      "lang": "es",
      "value": "Express OpenID Connect es un middleware JS que implementa el inicio de sesión para aplicaciones web Express usando OpenID Connect. Las versiones anteriores a \"2.5.1\" incluyéndola, no regeneran el identificador y la cookie de sesión cuando el usuario inicia la sesión. Este comportamiento abre la aplicación a varias vulnerabilidades de fijación de sesión. Las versiones \"2.5.2\" contienen un parche para este problema"
    }
  ],
  "lastModified": "2026-06-17T04:08:10.090",
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}