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CVE-2023-39968

Estado: ModificadaMedia (6.1)—

jupyter-server is the backend for Jupyter web applications. Open Redirect Vulnerability. Maliciously crafted login links to known Jupyter Servers can cause successful login or an already logged-in session to be redirected to arbitrary sites, which should be restricted to Jupyter Server-served URLs. This issue has been addressed in commit `29036259` which is included in release 2.7.2. Users are advised to upgrade. There are no known workarounds for 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 (1)

Jupyter — Jupyter Server

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2023-39968",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-39968",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-09-30T17:43:17.195003Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.1,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "jupyter-server",
          "product": "jupyter_server",
          "versions": [
            {
              "status": "affected",
              "version": "< 2.7.2"
            }
          ]
        }
      ]
    }
  ],
  "published": "2023-08-28T21:15:07.777",
  "references": [
    {
      "url": "https://github.com/jupyter-server/jupyter_server/commit/290362593b2ffb23c59f8114d76f77875de4b925",
      "tags": [
        "Patch"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/jupyter-server/jupyter_server/security/advisories/GHSA-r726-vmfq-j9j3",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NRP7DNZYVOIA4ZB3U3ZWKTFZEPYWNGCQ/",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XDKQAWQN6SQTOVACZNXYKEHWQXGG4DOF/",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/jupyter-server/jupyter_server/commit/290362593b2ffb23c59f8114d76f77875de4b925",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/jupyter-server/jupyter_server/security/advisories/GHSA-r726-vmfq-j9j3",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NRP7DNZYVOIA4ZB3U3ZWKTFZEPYWNGCQ/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XDKQAWQN6SQTOVACZNXYKEHWQXGG4DOF/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-601"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "jupyter-server is the backend for Jupyter web applications. Open Redirect Vulnerability. Maliciously crafted login links to known Jupyter Servers can cause successful login or an already logged-in session to be redirected to arbitrary sites, which should be restricted to Jupyter Server-served URLs. This issue has been addressed in commit `29036259` which is included in release 2.7.2. Users are advised to upgrade. There are no known workarounds for this vulnerability."
    },
    {
      "lang": "es",
      "value": "jupyter-server es el backend de las aplicaciones web de Jupyter. Vulnerabilidad de Redireccionamiento Abierto. Los enlaces de inicio de sesión creados maliciosamente a servidores Jupyter conocidos pueden provocar que un inicio de sesión exitoso o una sesión ya iniciada sea redirigida a sitios arbitrarios, que deben restringirse a las URL servidas por Jupyter Server. Este problema se solucionó en el commit \"29036259\", que se incluye en la versión 2.7.2. Se recomienda a los usuarios que actualicen. No se conocen workarounds para esta vulnerabilidad."
    }
  ],
  "lastModified": "2026-06-17T06:13:03.233",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:jupyter:jupyter_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B83A20E2-B301-47B0-AE30-3363B1FE64F3",
              "versionEndExcluding": "2.7.2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security-advisories@github.com"
}