CVE-2021-23401

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://snyk.io/vuln/SNYK-PYTHON-FLASKUSER-1293188", "name": "https://snyk.io/vuln/SNYK-PYTHON-FLASKUSER-1293188", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/lingthio/Flask-User", "name": "https://github.com/lingthio/Flask-User", "tags": ["Product", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/lingthio/Flask-User/blob/master/flask_user/user_manager__utils.py", "name": "https://github.com/lingthio/Flask-User/blob/master/flask_user/user_manager__utils.py", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "This affects all versions of package Flask-User. When using the make_safe_url function, it is possible to bypass URL validation and redirect a user to an arbitrary URL by providing multiple back slashes such as /////evil.com/path or \\\\\\evil.com/path. This vulnerability is only exploitable if an alternative WSGI server other than Werkzeug is used, or the default behaviour of Werkzeug is modified using 'autocorrect_location_header=False."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-601"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-23401", "ASSIGNER": "report@snyk.io"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 4.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}}, "publishedDate": "2021-07-05T11:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:flask-user_project:flask-user:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-07-08T18:08Z"}