gsd-2020-27178
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
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.
Aliases
Aliases
CVE-2020-27178


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-27178",
    "description": "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.",
    "id": "GSD-2020-27178"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-27178"
      ],
      "details": "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.",
      "id": "GSD-2020-27178",
      "modified": "2023-12-13T01:22:10.764219Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-27178",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "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."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://apereo.github.io/2020/10/14/gauthvuln/",
            "refsource": "MISC",
            "url": "https://apereo.github.io/2020/10/14/gauthvuln/"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "[5.3.0,5.3.16),[6.0.0,6.1.7.2),[6.2.0,6.2.4),[6.3.0]",
          "affected_versions": "All versions starting from 5.3.0 before 5.3.16, all versions starting from 6.0.0 before 6.1.7.2, all versions starting from 6.2.0 before 6.2.4, version 6.3.0",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-287",
            "CWE-937"
          ],
          "date": "2021-07-21",
          "description": "Apereo CAS mishandles secret keys with Google Authenticator for multifactor authentication.",
          "fixed_versions": [
            "5.3.16",
            "6.1.7.2",
            "6.2.4",
            "6.3.1"
          ],
          "identifier": "CVE-2020-27178",
          "identifiers": [
            "CVE-2020-27178"
          ],
          "not_impacted": "All versions before 5.3.0, all versions starting from 5.3.16 before 6.0.0, all versions starting from 6.1.7.2 before 6.2.0, all versions starting from 6.2.4 before 6.3.0, all versions after 6.3.0",
          "package_slug": "maven/org.apereo.cas/cas-server-core-services-authentication",
          "pubdate": "2020-10-16",
          "solution": "Upgrade to versions 5.3.16, 6.1.7.2, 6.2.4, 6.3.1 or above.",
          "title": "Improper Authentication",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-27178",
            "https://apereo.github.io/2020/10/14/gauthvuln/"
          ],
          "uuid": "d1f56dca-00dd-4ff7-9500-0e0a37a8e3de"
        },
        {
          "affected_range": "[5.3.0,5.3.16),[6.0.0,6.1.7.1],[6.2.0,6.2.4)",
          "affected_versions": "All versions starting from 5.3.0 before 5.3.16, all versions starting from 6.0.0 up to 6.1.7.1, all versions starting from 6.2.0 before 6.2.4",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-937"
          ],
          "date": "2021-08-02",
          "description": "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.",
          "fixed_versions": [
            "5.3.16",
            "6.1.7.2",
            "6.2.4"
          ],
          "identifier": "CVE-2020-27178",
          "identifiers": [
            "GHSA-q39c-5vh5-vw2p",
            "CVE-2020-27178"
          ],
          "not_impacted": "All versions before 5.3.0, all versions starting from 5.3.16 before 6.0.0, all versions after 6.1.7.1 before 6.2.0, all versions starting from 6.2.4",
          "package_slug": "maven/org.apereo.cas/cas-server-support-otp-mfa-core",
          "pubdate": "2021-08-02",
          "solution": "Upgrade to versions 5.3.16, 6.1.7.2, 6.2.4 or above.",
          "title": "Improper Authentication in Apereo CAS",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-27178",
            "https://apereo.github.io/2020/10/14/gauthvuln/",
            "https://github.com/advisories/GHSA-q39c-5vh5-vw2p"
          ],
          "uuid": "eeb07c42-91f5-4c51-bc9e-aaa859a3b143"
        },
        {
          "affected_range": "[5.3.0,5.3.16),[6.0.0,6.1.7.1],[6.2.0,6.2.4)",
          "affected_versions": "All versions starting from 5.3.0 before 5.3.16, all versions starting from 6.0.0 up to 6.1.7.1, all versions starting from 6.2.0 before 6.2.4",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-937"
          ],
          "date": "2021-08-02",
          "description": "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.",
          "fixed_versions": [
            "5.3.16",
            "6.1.7.2",
            "6.2.4"
          ],
          "identifier": "CVE-2020-27178",
          "identifiers": [
            "GHSA-q39c-5vh5-vw2p",
            "CVE-2020-27178"
          ],
          "not_impacted": "All versions before 5.3.0, all versions starting from 5.3.16 before 6.0.0, all versions after 6.1.7.1 before 6.2.0, all versions starting from 6.2.4",
          "package_slug": "maven/org.apereo.cas/cas-server-webapp",
          "pubdate": "2021-08-02",
          "solution": "Upgrade to versions 5.3.16, 6.1.7.2, 6.2.4 or above.",
          "title": "Improper Authentication in Apereo CAS",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-27178",
            "https://apereo.github.io/2020/10/14/gauthvuln/",
            "https://github.com/advisories/GHSA-q39c-5vh5-vw2p"
          ],
          "uuid": "ea7c7051-4e58-4002-a806-d4e287c46726"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:apereo:central_authentication_service:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.3.16",
                "versionStartIncluding": "5.3.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:apereo:central_authentication_service:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "6.1.7.2",
                "versionStartIncluding": "6.0.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:apereo:central_authentication_service:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "6.2.4",
                "versionStartIncluding": "6.2.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:apereo:central_authentication_service:6.3.0:rc1:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:apereo:central_authentication_service:6.3.0:rc2:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:apereo:central_authentication_service:6.3.0:rc3:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-27178"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "NVD-CWE-noinfo"
                }
              ]
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://apereo.github.io/2020/10/14/gauthvuln/",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://apereo.github.io/2020/10/14/gauthvuln/"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "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,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2021-07-21T11:39Z",
      "publishedDate": "2020-10-16T16:15Z"
    }
  }
}


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