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CVE-2021-0266

Estado: ModificadaCrítica (9.8)—

The use of multiple hard-coded cryptographic keys in cSRX Series software in Juniper Networks Junos OS allows an attacker to take control of any instance of a cSRX deployment through device management services. This issue affects: Juniper Networks Junos OS on cSRX Series: All versions prior to 20.2R3; 20.3 versions prior to 20.3R2; 20.4 versions prior to 20.4R2.

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)

Juniper — Junos

CWE

Referencias

JSON original (NVD)

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        "source": "nvd@nist.gov",
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          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
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        "obtainAllPrivilege": false,
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  "published": "2021-04-22T20:15:09.877",
  "references": [
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      "tags": [
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "value": "The use of multiple hard-coded cryptographic keys in cSRX Series software in Juniper Networks Junos OS allows an attacker to take control of any instance of a cSRX deployment through device management services. This issue affects: Juniper Networks Junos OS on cSRX Series: All versions prior to 20.2R3; 20.3 versions prior to 20.3R2; 20.4 versions prior to 20.4R2."
    },
    {
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      "value": "El uso de múltiples claves criptográficas embebidas en el software de la serie cSRX en Juniper Networks Junos OS, permite a un atacante tomar el control de cualquier instancia de una implementación de cSRX a través de servicios de administración de dispositivos. Este problema afecta a: Juniper Networks Junos OS en la serie cSRX: todas las versiones anteriores a 20.2R3; 20.3 versiones anteriores a 20.3R2; versiones 20.4 anteriores a 20.4R2"
    }
  ],
  "lastModified": "2026-06-17T03:29:39.450",
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