CVE-2021-21241

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As a workaround, if you aren't using authentication tokens - you can set the SECURITY_TOKEN_MAX_AGE to \"0\" (seconds) which should make the token unusable."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-352", "description": "CWE-352: Cross-Site Request Forgery (CSRF)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-01-11T20:35:16.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Flask-Middleware/flask-security/security/advisories/GHSA-hh7m-rx4f-4vpv"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/Flask-Middleware/flask-security/pull/422"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/Flask-Middleware/flask-security/commit/61d313150b5f620d0b800896c4f2199005e84b1f"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/Flask-Middleware/flask-security/commit/6d50ee9169acf813257c37b75babe9c28e83542a"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/Flask-Middleware/flask-security/releases/tag/3.4.5"}, {"tags": ["x_refsource_MISC"], "url": "https://pypi.org/project/Flask-Security-Too"}], "source": {"advisory": "GHSA-hh7m-rx4f-4vpv", "discovery": "UNKNOWN"}, "title": "CSRF can expose users authentication token in Flask-Security-Too", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-21241", "STATE": "PUBLIC", "TITLE": "CSRF can expose users authentication token in Flask-Security-Too"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "flask-security-too", "version": {"version_data": [{"version_value": ">= 3.3.0, < 3.4.5"}]}}]}, "vendor_name": "Flask-Middleware"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The Python \"Flask-Security-Too\" package is used for adding security features to your Flask application. 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As a workaround, if you aren't using authentication tokens - you can set the SECURITY_TOKEN_MAX_AGE to \"0\" (seconds) which should make the token unusable."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-352: Cross-Site Request Forgery (CSRF)"}]}]}, "references": {"reference_data": [{"name": "https://github.com/Flask-Middleware/flask-security/security/advisories/GHSA-hh7m-rx4f-4vpv", "refsource": "CONFIRM", "url": "https://github.com/Flask-Middleware/flask-security/security/advisories/GHSA-hh7m-rx4f-4vpv"}, {"name": "https://github.com/Flask-Middleware/flask-security/pull/422", "refsource": "MISC", "url": "https://github.com/Flask-Middleware/flask-security/pull/422"}, {"name": "https://github.com/Flask-Middleware/flask-security/commit/61d313150b5f620d0b800896c4f2199005e84b1f", "refsource": "MISC", "url": "https://github.com/Flask-Middleware/flask-security/commit/61d313150b5f620d0b800896c4f2199005e84b1f"}, {"name": "https://github.com/Flask-Middleware/flask-security/commit/6d50ee9169acf813257c37b75babe9c28e83542a", "refsource": "MISC", "url": "https://github.com/Flask-Middleware/flask-security/commit/6d50ee9169acf813257c37b75babe9c28e83542a"}, {"name": "https://github.com/Flask-Middleware/flask-security/releases/tag/3.4.5", "refsource": "MISC", "url": "https://github.com/Flask-Middleware/flask-security/releases/tag/3.4.5"}, {"name": "https://pypi.org/project/Flask-Security-Too", "refsource": "MISC", "url": "https://pypi.org/project/Flask-Security-Too"}]}, "source": {"advisory": "GHSA-hh7m-rx4f-4vpv", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:09:15.009Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/Flask-Middleware/flask-security/security/advisories/GHSA-hh7m-rx4f-4vpv"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/Flask-Middleware/flask-security/pull/422"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/Flask-Middleware/flask-security/commit/61d313150b5f620d0b800896c4f2199005e84b1f"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/Flask-Middleware/flask-security/commit/6d50ee9169acf813257c37b75babe9c28e83542a"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/Flask-Middleware/flask-security/releases/tag/3.4.5"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://pypi.org/project/Flask-Security-Too"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-21241", "datePublished": "2021-01-11T20:35:16.000Z", "dateReserved": "2020-12-22T00:00:00.000Z", "dateUpdated": "2024-08-03T18:09:15.009Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "flask-security-too", "vendor": "Flask-Middleware", "versions": [{"status": "affected", "version": ">= 3.3.0, < 3.4.5"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:flask-security-too_project:flask-security-too:*:*:*:*:*:*:*:*", "matchCriteriaId": "6955F0BE-FEE7-4B0E-B488-FA537F6B068C", "versionEndExcluding": "3.4.5", "versionStartIncluding": "3.3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Python \"Flask-Security-Too\" package is used for adding security features to your Flask application. It is an is a independently maintained version of Flask-Security based on the 3.0.0 version of Flask-Security. In Flask-Security-Too from version 3.3.0 and before version 3.4.5, the /login and /change endpoints can return the authenticated user's authentication token in response to a GET request. Since GET requests aren't protected with a CSRF token, this could lead to a malicious 3rd party site acquiring the authentication token. Version 3.4.5 and version 4.0.0 are patched. As a workaround, if you aren't using authentication tokens - you can set the SECURITY_TOKEN_MAX_AGE to \"0\" (seconds) which should make the token unusable."}, {"lang": "es", "value": "El paquete Python \"Flask-Security-Too\" es usado para agregar funcionalidades de seguridad a su aplicaci\u00f3n Flask.&#xa0;Es una versi\u00f3n mantenida independientemente de Flask-Security basada en la versi\u00f3n 3.0.0 de Flask-Security.&#xa0;En Flask-Security-Too desde la versi\u00f3n 3.3.0 y versiones anteriores a 3.4.5, los endpoints /login y /change pueden devolver el token de autenticaci\u00f3n del usuario autenticado en respuesta a una petici\u00f3n GET.&#xa0;Dado que las peticiones GET no est\u00e1n protegidas con un token CSRF, esto podr\u00eda conllevar a que un sitio de terceros malicioso adquiera el token de autenticaci\u00f3n.&#xa0;La versi\u00f3n 3.4.5 y la versi\u00f3n 4.0.0 est\u00e1n parcheadas.&#xa0;Como soluci\u00f3n temporal, si no est\u00e1 utilizando tokens de autenticaci\u00f3n, puede establecer el SECURITY_TOKEN_MAX_AGE en \"0\" (segundos), lo que deber\u00eda inutilizar el token"}], "id": "CVE-2021-21241", "lastModified": "2026-06-17T03:35:06.603", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", 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