gsd-2021-43847
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
HumHub is an open-source social network kit written in PHP. Prior to HumHub version 1.10.3 or 1.9.3, it could be possible for registered users to become unauthorized members of private Spaces. Versions 1.10.3 and 1.9.3 contain a patch for this issue.
Aliases
Aliases
CVE-2021-43847


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-43847",
    "description": "HumHub is an open-source social network kit written in PHP. Prior to HumHub version 1.10.3 or 1.9.3, it could be possible for registered users to become unauthorized members of private Spaces. Versions 1.10.3 and 1.9.3 contain a patch for this issue.",
    "id": "GSD-2021-43847"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-43847"
      ],
      "details": "HumHub is an open-source social network kit written in PHP. Prior to HumHub version 1.10.3 or 1.9.3, it could be possible for registered users to become unauthorized members of private Spaces. Versions 1.10.3 and 1.9.3 contain a patch for this issue.",
      "id": "GSD-2021-43847",
      "modified": "2023-12-13T01:23:26.272266Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2021-43847",
        "STATE": "PUBLIC",
        "TITLE": "Authorization Bypass in Space Invite in HumHub"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "humhub",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "\u003e= 1.10.0, \u003c 1.10.3"
                        },
                        {
                          "version_value": "\u003c 1.9.3"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "humhub"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "HumHub is an open-source social network kit written in PHP. Prior to HumHub version 1.10.3 or 1.9.3, it could be possible for registered users to become unauthorized members of private Spaces. Versions 1.10.3 and 1.9.3 contain a patch for this issue."
          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-285: Improper Authorization"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/humhub/humhub/security/advisories/GHSA-f5hc-5wfr-7v74",
            "refsource": "CONFIRM",
            "url": "https://github.com/humhub/humhub/security/advisories/GHSA-f5hc-5wfr-7v74"
          },
          {
            "name": "https://github.com/humhub/humhub/pull/5473",
            "refsource": "MISC",
            "url": "https://github.com/humhub/humhub/pull/5473"
          },
          {
            "name": "https://github.com/humhub/humhub/releases/tag/v1.10.3",
            "refsource": "MISC",
            "url": "https://github.com/humhub/humhub/releases/tag/v1.10.3"
          },
          {
            "name": "https://github.com/humhub/humhub/releases/tag/v1.9.3",
            "refsource": "MISC",
            "url": "https://github.com/humhub/humhub/releases/tag/v1.9.3"
          },
          {
            "name": "https://huntr.dev/bounties/943dad83-f0ed-4c74-ba81-7dfce7ca0ef2/",
            "refsource": "MISC",
            "url": "https://huntr.dev/bounties/943dad83-f0ed-4c74-ba81-7dfce7ca0ef2/"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-f5hc-5wfr-7v74",
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:humhub:humhub:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.10.3",
                "versionStartIncluding": "1.10.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:humhub:humhub:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.9.3",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security-advisories@github.com",
          "ID": "CVE-2021-43847"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "HumHub is an open-source social network kit written in PHP. Prior to HumHub version 1.10.3 or 1.9.3, it could be possible for registered users to become unauthorized members of private Spaces. Versions 1.10.3 and 1.9.3 contain a patch for this issue."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-862"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://huntr.dev/bounties/943dad83-f0ed-4c74-ba81-7dfce7ca0ef2/",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Issue Tracking",
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://huntr.dev/bounties/943dad83-f0ed-4c74-ba81-7dfce7ca0ef2/"
            },
            {
              "name": "https://github.com/humhub/humhub/releases/tag/v1.10.3",
              "refsource": "MISC",
              "tags": [
                "Release Notes",
                "Third Party Advisory"
              ],
              "url": "https://github.com/humhub/humhub/releases/tag/v1.10.3"
            },
            {
              "name": "https://github.com/humhub/humhub/pull/5473",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/humhub/humhub/pull/5473"
            },
            {
              "name": "https://github.com/humhub/humhub/releases/tag/v1.9.3",
              "refsource": "MISC",
              "tags": [
                "Release Notes",
                "Third Party Advisory"
              ],
              "url": "https://github.com/humhub/humhub/releases/tag/v1.9.3"
            },
            {
              "name": "https://github.com/humhub/humhub/security/advisories/GHSA-f5hc-5wfr-7v74",
              "refsource": "CONFIRM",
              "tags": [
                "Exploit",
                "Third Party Advisory"
              ],
              "url": "https://github.com/humhub/humhub/security/advisories/GHSA-f5hc-5wfr-7v74"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 4.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-08-09T13:27Z",
      "publishedDate": "2021-12-20T22:15Z"
    }
  }
}


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