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CVE-2026-40975

Estado: ModificadaAlta (7.5)—

Values produced by ${random.value} are not suitable for use as secrets. ${random.uuid} is not affected. ${random.int} and ${random.long} should never be used for secrets as they are numeric values with a predictable range.

Affected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14), 3.4.0–3.4.15 (fix 3.4.16), 3.3.0–3.3.18 (fix 3.3.19), 2.7.0–2.7.32 (fix 2.7.33); random value property source / weak PRNG for secrets. Versions that are no longer supported are also affected per vendor advisory.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

AV:N sin autenticación permite explotación remota de aplicación expuesta. Débil PRNG en ${random.value} expone secretos predecibles; atacante obtiene credenciales/tokens.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Privileged Account ManagementUser Account ManagementNetwork SegmentationLimit Access to Resource Over NetworkApplication Developer GuidanceActive Directory Configuration

Tecnologías afectadas (1)

Vmware — Spring Boot

CWE

Referencias

JSON original (NVD)

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      "value": "Values produced by ${random.value} are not suitable for use as secrets. ${random.uuid} is not affected. ${random.int} and ${random.long} should never be used for secrets as they are numeric values with a predictable range.\n\nAffected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14), 3.4.0–3.4.15 (fix 3.4.16), 3.3.0–3.3.18 (fix 3.3.19), 2.7.0–2.7.32 (fix 2.7.33); random value property source / weak PRNG for secrets. Versions that are no longer supported are also affected per vendor advisory."
    },
    {
      "lang": "es",
      "value": "Valores producidos por ${random.value} no son adecuados para su uso como secretos. ${random.uuid} no se ve afectado. ${random.int} y ${random.long} nunca deben usarse para secretos ya que son valores numéricos con un rango predecible.\n\nAfectado: Spring Boot 4.0.0-4.0.5 (corrección 4.0.6), 3.5.0-3.5.13 (corrección 3.5.14), 3.4.0-3.4.15 (corrección 3.4.16), 3.3.0-3.3.18 (corrección 3.3.19), 2.7.0-2.7.32 (corrección 2.7.33); fuente de propiedades de valor aleatorio / PRNG débil para secretos. Las versiones que ya no son compatibles también se ven afectadas según el aviso del proveedor."
    }
  ],
  "lastModified": "2026-07-24T21:10:00.143",
  "configurations": [
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      "nodes": [
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          "negate": false,
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