{
  "id": "CVE-2020-36284",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-04-06T16:15:15.317",
  "lastModified": "2021-04-09T17:14:48.227",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Union Pay up to 3.4.93.4.9, for android, contains a CWE-347: Improper Verification of Cryptographic Signature vulnerability, allows attackers to shop for free in merchants' websites and mobile apps, via a crafted authentication code (MAC) which is generated based on a secret key which is NULL."
    },
    {
      "lang": "es",
      "value": "Union Pay versiones  hasta 3.4.93.4.9, para Android, contiene un CWE-347: Verificaci\u00f3n Inapropiada de la vulnerabilidad de Firma Criptogr\u00e1fica, permite a atacantes comprar gratis en los sitios web y aplicaciones m\u00f3viles de comerciantes, por medio de un c\u00f3digo de autenticaci\u00f3n (MAC) dise\u00f1ado el cual es generado en base a una clave secreta que es NULL"
    }
  ],
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        "type": "Primary",
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
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          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
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        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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  "references": [
    {
      "url": "http://mobitec.ie.cuhk.edu.hk/cve_2020/",
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}