« Volver al listado

CVE-2021-33845

Estado: ModificadaMedia (5.3)—

The Splunk Enterprise REST API allows enumeration of usernames via the lockout error message. The potential vulnerability impacts Splunk Enterprise instances before 8.1.7 when configured to repress verbose login errors.

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)

Splunk — Splunk

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-33845",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "prodsec@splunk.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "prodsec@splunk.com",
      "affectedData": [
        {
          "vendor": "Splunk",
          "product": "Splunk Enterprise",
          "versions": [
            {
              "status": "affected",
              "version": "Version(s) before 8.1.7"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-05-06T17:15:08.577",
  "references": [
    {
      "url": "https://research.splunk.com/application/splunk_user_enumeration_attempt/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "prodsec@splunk.com"
    },
    {
      "url": "https://www.splunk.com/en_us/product-security/announcements/svd-2022-0502.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "prodsec@splunk.com"
    },
    {
      "url": "https://research.splunk.com/application/splunk_user_enumeration_attempt/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.splunk.com/en_us/product-security/announcements/svd-2022-0502.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "prodsec@splunk.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-203"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-203"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Splunk Enterprise REST API allows enumeration of usernames via the lockout error message. The potential vulnerability impacts Splunk Enterprise instances before 8.1.7 when configured to repress verbose login errors."
    },
    {
      "lang": "es",
      "value": "La API REST de Splunk Enterprise permite enumerar los nombres de usuario por medio del mensaje de error de bloqueo. La vulnerabilidad potencial afecta a las instancias de Splunk Enterprise anteriores a 8.1.7 cuando están configuradas para reprimir los errores de inicio de sesión verboso"
    }
  ],
  "lastModified": "2026-06-17T03:55:18.200",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B4BE0BC2-6E5C-4A45-80BE-E2DB4C536AA2",
              "versionEndExcluding": "8.1.7",
              "versionStartIncluding": "8.1.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "prodsec@splunk.com"
}