« Volver al listado

CVE-2025-27451

Estado: AnalizadaMedia (5.3)—

For failed login attempts, the application returns different error messages depending on whether the login failed due to an incorrect password or a non-existing username. This allows an attacker to guess usernames until they find an existing one.

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)

Endress — Meac300-fnade4 Firmware

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-27451",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-27451",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-07-03T13:05:21.734630Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@sick.de",
        "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": "psirt@sick.de",
      "affectedData": [
        {
          "vendor": "Endress+Hauser",
          "product": "Endress+Hauser MEAC300-FNADE4",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "<=0.16.0"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Endress+Hauser",
          "product": "Endress+Hauser MEAC300-FNADE4",
          "versions": [
            {
              "status": "unaffected",
              "version": ">=0.17.0",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-07-03T12:15:22.960",
  "references": [
    {
      "url": "https://sick.com/psirt",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@sick.de"
    },
    {
      "url": "https://sick.com/psirt",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@sick.de"
    },
    {
      "url": "https://sick.com/psirt",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@sick.de"
    },
    {
      "url": "https://sick.com/psirt",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@sick.de"
    },
    {
      "url": "https://www.cisa.gov/resources-tools/resources/ics-recommended-practices",
      "tags": [
        "US Government Resource"
      ],
      "source": "psirt@sick.de"
    },
    {
      "url": "https://www.endress.com",
      "tags": [
        "Product"
      ],
      "source": "psirt@sick.de"
    },
    {
      "url": "https://www.first.org/cvss/calculator/3.1",
      "tags": [
        "Not Applicable"
      ],
      "source": "psirt@sick.de"
    },
    {
      "url": "https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.json",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@sick.de"
    },
    {
      "url": "https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@sick.de"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@sick.de",
      "description": [
        {
          "lang": "en",
          "value": "CWE-204"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-203"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "For failed login attempts, the application returns different error messages depending on whether the login failed due to an incorrect password or a non-existing username. This allows an attacker to guess usernames until they find an existing one."
    },
    {
      "lang": "es",
      "value": "En caso de intentos fallidos de inicio de sesión, la aplicación muestra diferentes mensajes de error según si el inicio de sesión falló debido a una contraseña incorrecta o a un nombre de usuario inexistente. Esto permite a un atacante adivinar nombres de usuario hasta encontrar uno."
    }
  ],
  "lastModified": "2026-06-17T09:03:36.950",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:endress:meac300-fnade4_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D360849D-4E70-4490-918C-9355B021CFD1",
              "versionEndIncluding": "0.16.0"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:endress:meac300-fnade4:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "EDCFDEA0-D85E-464F-98FD-42775C42812F"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "psirt@sick.de"
}