CVE-2021-43847

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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"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T04:10:17.072Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/humhub/humhub/security/advisories/GHSA-f5hc-5wfr-7v74"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/humhub/humhub/pull/5473"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/humhub/humhub/releases/tag/v1.10.3"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/humhub/humhub/releases/tag/v1.9.3"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://huntr.dev/bounties/943dad83-f0ed-4c74-ba81-7dfce7ca0ef2/"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-43847", "datePublished": "2021-12-20T21:35:12.000Z", "dateReserved": "2021-11-16T00:00:00.000Z", "dateUpdated": "2024-08-04T04:10:17.072Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "humhub", "vendor": "humhub", "versions": [{"status": "affected", "version": ">= 1.10.0, < 1.10.3"}, {"status": "affected", "version": "< 1.9.3"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:humhub:humhub:*:*:*:*:*:*:*:*", "matchCriteriaId": "900F1776-7E44-465E-8814-4BED5391880C", "versionEndExcluding": "1.9.3", "vulnerable": true}, {"criteria": "cpe:2.3:a:humhub:humhub:*:*:*:*:*:*:*:*", "matchCriteriaId": "F81E6636-F68D-4210-8BCC-EF5863FC9682", "versionEndExcluding": "1.10.3", "versionStartIncluding": "1.10.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"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."}, {"lang": "es", "value": "HumHub es un kit de red social de c\u00f3digo abierto escrito en PHP. En HumHub versiones anteriores a 1.10.3 o 1.9.3, era posible que los usuarios registrados se convirtieran en miembros no autorizados de espacios privados. Las versiones 1.10.3 y 1.9.3 contienen un parche para este problema"}], "id": "CVE-2021-43847", "lastModified": "2026-06-17T04:11:33.780", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"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, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"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, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2021-12-20T22:15:08.003", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/humhub/humhub/pull/5473"}, {"source": "security-advisories@github.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/humhub/humhub/releases/tag/v1.10.3"}, {"source": "security-advisories@github.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/humhub/humhub/releases/tag/v1.9.3"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/humhub/humhub/security/advisories/GHSA-f5hc-5wfr-7v74"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://huntr.dev/bounties/943dad83-f0ed-4c74-ba81-7dfce7ca0ef2/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/humhub/humhub/pull/5473"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/humhub/humhub/releases/tag/v1.10.3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/humhub/humhub/releases/tag/v1.9.3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/humhub/humhub/security/advisories/GHSA-f5hc-5wfr-7v74"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://huntr.dev/bounties/943dad83-f0ed-4c74-ba81-7dfce7ca0ef2/"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-285"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-862"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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