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CVE-2021-3833

Estado: ModificadaCrítica (9.8)—

Integria IMS login check uses a loose comparator ("==") to compare the MD5 hash of the password provided by the user and the MD5 hash stored in the database. An attacker with a specific formatted password could exploit this vulnerability in order to login in the system with different passwords.

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)

Artica — Integria IMS

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-3833",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve-coordination@incibe.es",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve-coordination@incibe.es",
      "affectedData": [
        {
          "vendor": "Ártica",
          "product": "Integria IMS",
          "versions": [
            {
              "status": "affected",
              "version": "5.0.92"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2021-10-07T16:15:08.947",
  "references": [
    {
      "url": "https://integriaims.com/en/services/updates/",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "cve-coordination@incibe.es"
    },
    {
      "url": "https://www.incibe.es/en/incibe-cert/notices/aviso/integria-ims-incorrect-authorization",
      "source": "cve-coordination@incibe.es"
    },
    {
      "url": "https://integriaims.com/en/services/updates/",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.incibe.es/en/incibe-cert/notices/aviso/integria-ims-incorrect-authorization",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve-coordination@incibe.es",
      "description": [
        {
          "lang": "en",
          "value": "CWE-697"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-697"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Integria IMS login check uses a loose comparator (\"==\") to compare the MD5 hash of the password provided by the user and the MD5 hash stored in the database. An attacker with a specific formatted password could exploit this vulnerability in order to login in the system with different passwords."
    },
    {
      "lang": "es",
      "value": "Una comprobación de inicio de sesión de Integria IMS usa un comparador suelto (\"==\") para comparar el hash MD5 de la contraseña proporcionada por el usuario y el hash MD5 almacenado en la base de datos. Un atacante con una contraseña con un formato específico podría explotar esta vulnerabilidad para iniciar sesión en el sistema con diferentes contraseñas"
    }
  ],
  "lastModified": "2026-06-17T04:05:51.580",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:artica:integria_ims:5.0.92:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "04F65535-9CB9-4E7A-9508-FD921E560AF7"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve-coordination@incibe.es"
}