CVE-2025-59716

{
  "id": "CVE-2025-59716",
  "sourceIdentifier": "[email protected]",
  "published": "2025-11-05T17:15:44.800",
  "lastModified": "2026-11-05T14:10:00.273",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "ownCloud Guests before 0.12.5 allows unauthenticated user enumeration via the /apps/guests/register/{email}/{token} endpoint. Because of insufficient validation of the supplied token in showPasswordForm, the server responds differently when an e-mail address corresponds to a valid pending guest user rather than a non-existent user."
    },
    {
      "lang": "es",
      "value": "ownCloud Guests anterior a 0.12.5 permite la enumeración de usuarios no autenticados a través del endpoint /apps/guests/register/{email}/{token}. Debido a la validación insuficiente del token proporcionado en showPasswordForm, el servidor responde de manera diferente cuando una dirección de correo electrónico corresponde a un usuario invitado pendiente válido en lugar de un usuario inexistente."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "version": "n/a",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2025-11-05T20:08:14.667204Z",
          "id": "CVE-2025-59716",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        },
        {
          "lang": "en",
          "value": "CWE-203"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:owncloud:guests:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "0.12.4",
              "matchCriteriaId": "0CE375CB-E61A-4CDF-B946-356DD0A799A6"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://gist.github.com/thesmartshadow/64ae0449e909174d0479a4f23657147f",
      "source": "[email protected]",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/owncloud/guests",
      "source": "[email protected]",
      "tags": [
        "Product"
      ]
    },
    {
      "url": "https://marketplace.owncloud.com/apps/guests",
      "source": "[email protected]",
      "tags": [
        "Product"
      ]
    },
    {
      "url": "https://yeswehack.com/reports/411806",
      "source": "[email protected]",
      "tags": [
        "Permissions Required"
      ]
    }
  ]
}