{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apereo:central_authentication_service:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E1F495F2-0ED9-4D87-B39C-82922FDB7862",
              "versionEndExcluding": "5.3.16",
              "versionStartIncluding": "5.3.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:apereo:central_authentication_service:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B943DFA5-360C-4D5B-A5D9-FDEC21DA7392",
              "versionEndExcluding": "6.1.7.2",
              "versionStartIncluding": "6.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:apereo:central_authentication_service:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7F0B3029-CE4F-40E3-B2AB-DECE9D1B171D",
              "versionEndExcluding": "6.2.4",
              "versionStartIncluding": "6.2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:apereo:central_authentication_service:6.3.0:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "32DE9C99-81DC-4243-B05E-10B94EB7BFA4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:apereo:central_authentication_service:6.3.0:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "97205C21-4E68-4C1B-975C-D8713E3E2AD5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:apereo:central_authentication_service:6.3.0:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "36366608-0562-4AED-9163-03F743F39460",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Apereo CAS 5.3.x before 5.3.16, 6.x before 6.1.7.2, 6.2.x before 6.2.4, and 6.3.x before 6.3.0-RC4 mishandles secret keys with Google Authenticator for multifactor authentication."
    },
    {
      "lang": "es",
      "value": "Apereo CAS versiones 5.3.x anteriores a 5.3.16, versiones 6.x anteriores a 6.1.7.2, versiones 6.2.x anteriores a 6.2.4 y versiones 6.3.x anteriores a 6.3.0-RC4, maneja inapropiadamente las claves secretas con Google Authenticator para la autenticaci\u00f3n multifactor"
    }
  ],
  "id": "CVE-2020-27178",
  "lastModified": "2024-11-21T05:20:49.370",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-10-16T16:15:11.573",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://apereo.github.io/2020/10/14/gauthvuln/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://apereo.github.io/2020/10/14/gauthvuln/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}