CVE-2021-41263

{"containers": {"cna": {"affected": [{"product": "rails_multisite", "vendor": "discourse", "versions": [{"status": "affected", "version": "< 4.0.0"}]}], "descriptions": [{"lang": "en", "value": "rails_multisite provides multi-db support for Rails applications. In affected versions this vulnerability impacts any Rails applications using `rails_multisite` alongside Rails' signed/encrypted cookies. Depending on how the application makes use of these cookies, it may be possible for an attacker to re-use cookies on different 'sites' within a multi-site Rails application. The issue has been patched in v4 of the `rails_multisite` gem. Note that this upgrade will invalidate all previous signed/encrypted cookies. The impact of this invalidation will vary based on the application architecture."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-200", "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-565", "description": "CWE-565: Reliance on Cookies without Validation and Integrity Checking", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-11-15T20:10:11.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/discourse/rails_multisite/security/advisories/GHSA-844m-cpr9-jcmh"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/rails_multisite/commit/c6785cdb5c9277dd2c5ac8d55180dd1ece440ed0"}], "source": {"advisory": "GHSA-844m-cpr9-jcmh", "discovery": "UNKNOWN"}, "title": "Secure/signed cookies share secrets between sites in rails_multisite", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-41263", "STATE": "PUBLIC", "TITLE": "Secure/signed cookies share secrets between sites in rails_multisite"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "rails_multisite", "version": {"version_data": [{"version_value": "< 4.0.0"}]}}]}, "vendor_name": "discourse"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "rails_multisite provides multi-db support for Rails applications. 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The impact of this invalidation will vary based on the application architecture."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor"}]}, {"description": [{"lang": "eng", "value": "CWE-565: Reliance on Cookies without Validation and Integrity Checking"}]}]}, "references": {"reference_data": [{"name": "https://github.com/discourse/rails_multisite/security/advisories/GHSA-844m-cpr9-jcmh", "refsource": "CONFIRM", "url": "https://github.com/discourse/rails_multisite/security/advisories/GHSA-844m-cpr9-jcmh"}, {"name": "https://github.com/discourse/rails_multisite/commit/c6785cdb5c9277dd2c5ac8d55180dd1ece440ed0", "refsource": "MISC", "url": "https://github.com/discourse/rails_multisite/commit/c6785cdb5c9277dd2c5ac8d55180dd1ece440ed0"}]}, "source": {"advisory": "GHSA-844m-cpr9-jcmh", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:08:31.596Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/discourse/rails_multisite/security/advisories/GHSA-844m-cpr9-jcmh"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/discourse/rails_multisite/commit/c6785cdb5c9277dd2c5ac8d55180dd1ece440ed0"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-41263", "datePublished": "2021-11-15T20:10:11.000Z", "dateReserved": "2021-09-15T00:00:00.000Z", "dateUpdated": "2024-08-04T03:08:31.596Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "rails_multisite", "vendor": "discourse", "versions": [{"status": "affected", "version": "< 4.0.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:discourse:rails_multisite:*:*:*:*:*:ruby:*:*", "matchCriteriaId": "4CB59FCC-1745-40DE-B5AA-D97D6944CCE8", "versionEndExcluding": "4.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "rails_multisite provides multi-db support for Rails applications. In affected versions this vulnerability impacts any Rails applications using `rails_multisite` alongside Rails' signed/encrypted cookies. Depending on how the application makes use of these cookies, it may be possible for an attacker to re-use cookies on different 'sites' within a multi-site Rails application. The issue has been patched in v4 of the `rails_multisite` gem. Note that this upgrade will invalidate all previous signed/encrypted cookies. The impact of this invalidation will vary based on the application architecture."}, {"lang": "es", "value": "rails_multisite proporciona soporte multidb para las aplicaciones Rails. En las versiones afectadas, esta vulnerabilidad afecta a cualquier aplicaci\u00f3n Rails usando \"rails_multisite\" junto con las cookies firmadas/cifradas de Rails. Dependiendo de c\u00f3mo la aplicaci\u00f3n haga uso de estas cookies, puede ser posible que un atacante reuse las cookies en diferentes \"sites\" dentro de una aplicaci\u00f3n Rails multisitio. El problema ha sido parcheado en la versi\u00f3n v4 de la gema \"rails_multisite\". Tenga en cuenta que esta actualizaci\u00f3n invalidar\u00e1 todas las cookies firmadas/cifradas anteriores. El impacto de esta no comprobaci\u00f3n variar\u00e1 en funci\u00f3n de la arquitectura de la aplicaci\u00f3n"}], "id": "CVE-2021-41263", "lastModified": "2026-06-17T04:08:11.787", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.5, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-11-15T20:15:20.037", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/discourse/rails_multisite/commit/c6785cdb5c9277dd2c5ac8d55180dd1ece440ed0"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/discourse/rails_multisite/security/advisories/GHSA-844m-cpr9-jcmh"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/discourse/rails_multisite/commit/c6785cdb5c9277dd2c5ac8d55180dd1ece440ed0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/discourse/rails_multisite/security/advisories/GHSA-844m-cpr9-jcmh"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}, {"lang": "en", "value": "CWE-565"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-327"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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