« Volver al listado

CVE-2026-20239

Estado: AnalizadaMedia (6.5)—

In Splunk Enterprise versions below 10.2.2 and 10.0.5, and Splunk Cloud Platform versions below 10.3.2512.8, 10.2.2510.11, 10.1.2507.21, and 10.0.2503.13, a user with a role that has access to the `_internal` index could view session cookies and response bodies that contain sensitive data.

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)

Splunk — SplunkSplunk — Splunk Cloud Platform

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-20239",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-20239",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-05-20T00:00:00+00:00"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@cisco.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.6
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@cisco.com",
      "affectedData": [
        {
          "vendor": "Splunk",
          "product": "Splunk Enterprise",
          "versions": [
            {
              "status": "affected",
              "version": "10.2",
              "lessThan": "10.2.2",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "10.0",
              "lessThan": "10.0.5",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Splunk",
          "product": "Splunk Cloud Platform",
          "versions": [
            {
              "status": "affected",
              "version": "10.3.2512",
              "lessThan": "10.3.2512.8",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "10.2.2510",
              "lessThan": "10.2.2510.11",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "10.1.2507",
              "lessThan": "10.1.2507.21",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "10.0.2503",
              "lessThan": "10.0.2503.13",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-05-20T18:16:26.520",
  "references": [
    {
      "url": "https://advisory.splunk.com/advisories/SVD-2026-0503",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@cisco.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@cisco.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-532"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Splunk Enterprise versions below 10.2.2 and 10.0.5, and Splunk Cloud Platform versions below 10.3.2512.8, 10.2.2510.11, 10.1.2507.21, and 10.0.2503.13, a user with a role that has access to the `_internal` index could view session cookies and response bodies that contain sensitive data."
    },
    {
      "lang": "es",
      "value": "En las versiones de Splunk Enterprise anteriores a la 10.2.2 y la 10.0.5, y en las versiones de Splunk Cloud Platform anteriores a la 10.3.2512.8, la 10.2.2510.11, la 10.1.2507.21 y la 10.0.2503.13, un usuario con un rol que tiene acceso al índice '_internal' podría ver las cookies de sesión y los cuerpos de respuesta que contienen datos sensibles."
    }
  ],
  "lastModified": "2026-07-23T12:10:00.110",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D5A01879-50A5-4266-A08C-F55584F442ED",
              "versionEndExcluding": "10.0.5",
              "versionStartIncluding": "10.0.0"
            },
            {
              "criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9F3A147D-2A67-469A-A223-248DEFB413E0",
              "versionEndExcluding": "10.2.2",
              "versionStartIncluding": "10.2.0"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D5C098C2-9ED5-41B4-BE57-984B71027144",
              "versionEndExcluding": "10.0.2503.13",
              "versionStartIncluding": "10.0.2503"
            },
            {
              "criteria": "cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2C302734-E81B-49DE-B3D6-ACD20DD3A57A",
              "versionEndExcluding": "10.1.2507.21",
              "versionStartIncluding": "10.1.2507"
            },
            {
              "criteria": "cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5F7423BE-EADA-4D07-A021-D0F9EBBF966F",
              "versionEndExcluding": "10.2.2510.11",
              "versionStartIncluding": "10.2.2510"
            },
            {
              "criteria": "cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8E24DFCE-B632-49F0-9198-A21636FC3D59",
              "versionEndExcluding": "10.3.2512.8",
              "versionStartIncluding": "10.3.2512"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@cisco.com"
}