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Vulnerable Software

Vulnerability Details CVE-2021-23385

This affects all versions of package Flask-Security. When using the get_post_logout_redirect and get_post_login_redirect functions, 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. 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. **Note:** Flask-Security is not maintained anymore.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.002

EPSS Ranking 36.6%

CVSS Severity

CVSS v3 Score 5.4

References

Products affected by CVE-2021-23385

Flask-Security Project » Flask-Security » Version: 1.1.0

cpe:2.3:a:flask-security_project:flask-security:1.1.0
Flask-Security Project » Flask-Security » Version: 1.2.0

cpe:2.3:a:flask-security_project:flask-security:1.2.0
Flask-Security Project » Flask-Security » Version: 1.2.1

cpe:2.3:a:flask-security_project:flask-security:1.2.1
Flask-Security Project » Flask-Security » Version: 1.2.2

cpe:2.3:a:flask-security_project:flask-security:1.2.2
Flask-Security Project » Flask-Security » Version: 1.2.3

cpe:2.3:a:flask-security_project:flask-security:1.2.3
Flask-Security Project » Flask-Security » Version: 1.5.0

cpe:2.3:a:flask-security_project:flask-security:1.5.0
Flask-Security Project » Flask-Security » Version: 1.5.1

cpe:2.3:a:flask-security_project:flask-security:1.5.1
Flask-Security Project » Flask-Security » Version: 1.5.2

cpe:2.3:a:flask-security_project:flask-security:1.5.2
Flask-Security Project » Flask-Security » Version: 1.5.3

cpe:2.3:a:flask-security_project:flask-security:1.5.3
Flask-Security Project » Flask-Security » Version: 1.5.4

cpe:2.3:a:flask-security_project:flask-security:1.5.4
Flask-Security Project » Flask-Security » Version: 1.6.0

cpe:2.3:a:flask-security_project:flask-security:1.6.0
Flask-Security Project » Flask-Security » Version: 1.6.1

cpe:2.3:a:flask-security_project:flask-security:1.6.1
Flask-Security Project » Flask-Security » Version: 1.6.2

cpe:2.3:a:flask-security_project:flask-security:1.6.2
Flask-Security Project » Flask-Security » Version: 1.6.3

cpe:2.3:a:flask-security_project:flask-security:1.6.3
Flask-Security Project » Flask-Security » Version: 1.6.4

cpe:2.3:a:flask-security_project:flask-security:1.6.4
Flask-Security Project » Flask-Security » Version: 1.6.5

cpe:2.3:a:flask-security_project:flask-security:1.6.5
Flask-Security Project » Flask-Security » Version: 1.6.6

cpe:2.3:a:flask-security_project:flask-security:1.6.6
Flask-Security Project » Flask-Security » Version: 1.6.7

cpe:2.3:a:flask-security_project:flask-security:1.6.7
Flask-Security Project » Flask-Security » Version: 1.6.8

cpe:2.3:a:flask-security_project:flask-security:1.6.8
Flask-Security Project » Flask-Security » Version: 1.6.9

cpe:2.3:a:flask-security_project:flask-security:1.6.9
Flask-Security Project » Flask-Security » Version: 1.7.0

cpe:2.3:a:flask-security_project:flask-security:1.7.0
Flask-Security Project » Flask-Security » Version: 1.7.1

cpe:2.3:a:flask-security_project:flask-security:1.7.1
Flask-Security Project » Flask-Security » Version: 1.7.2

cpe:2.3:a:flask-security_project:flask-security:1.7.2
Flask-Security Project » Flask-Security » Version: 1.7.3

cpe:2.3:a:flask-security_project:flask-security:1.7.3
Flask-Security Project » Flask-Security » Version: 1.7.4

cpe:2.3:a:flask-security_project:flask-security:1.7.4
Flask-Security Project » Flask-Security » Version: 1.7.5

cpe:2.3:a:flask-security_project:flask-security:1.7.5
Flask-Security Project » Flask-Security » Version: 3.0.0

cpe:2.3:a:flask-security_project:flask-security:3.0.0
Flask-Security Project » Flask-Security » Version: 3.0.1

cpe:2.3:a:flask-security_project:flask-security:3.0.1
Flask-Security Project » Flask-Security » Version: 3.0.2

cpe:2.3:a:flask-security_project:flask-security:3.0.2
Flask-Security Project » Flask-Security » Version: 3.1.0

cpe:2.3:a:flask-security_project:flask-security:3.1.0
Flask-Security Project » Flask-Security » Version: 3.2.0

cpe:2.3:a:flask-security_project:flask-security:3.2.0
Flask-Security Project » Flask-Security » Version: 3.3.0

cpe:2.3:a:flask-security_project:flask-security:3.3.0
Flask-Security Project » Flask-Security » Version: 3.3.1

cpe:2.3:a:flask-security_project:flask-security:3.3.1
Flask-Security Project » Flask-Security » Version: 3.3.2

cpe:2.3:a:flask-security_project:flask-security:3.3.2
Flask-Security Project » Flask-Security » Version: 3.3.3

cpe:2.3:a:flask-security_project:flask-security:3.3.3
Flask-Security Project » Flask-Security » Version: 3.4.0

cpe:2.3:a:flask-security_project:flask-security:3.4.0
Flask-Security Project » Flask-Security » Version: 3.4.1

cpe:2.3:a:flask-security_project:flask-security:3.4.1
Flask-Security Project » Flask-Security » Version: 3.4.2

cpe:2.3:a:flask-security_project:flask-security:3.4.2
Flask-Security Project » Flask-Security » Version: 3.4.3

cpe:2.3:a:flask-security_project:flask-security:3.4.3
Flask-Security Project » Flask-Security » Version: 3.4.4

cpe:2.3:a:flask-security_project:flask-security:3.4.4
Flask-Security Project » Flask-Security » Version: 3.4.5

cpe:2.3:a:flask-security_project:flask-security:3.4.5
Flask-Security Project » Flask-Security » Version: 4.0.0

cpe:2.3:a:flask-security_project:flask-security:4.0.0
Flask-Security Project » Flask-Security » Version: 4.0.1

cpe:2.3:a:flask-security_project:flask-security:4.0.1

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Vulnerability Details CVE-2021-23385

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