{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-04T12:16:01.844","vulnerabilities":[{"cve":{"id":"CVE-2021-23385","sourceIdentifier":"report@snyk.io","published":"2022-08-02T14:15:10.017","lastModified":"2024-11-21T05:51:37.157","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"Esto afecta a todas las versiones del paquete Flask-Security. Cuando son usadas las funciones get_post_logout_redirect y get_post_login_redirect, es posible omitirse la comprobación de la URL y redirigir a un usuario a una URL arbitraria proporcionando múltiples barras diagonales traseras como \\\\\\Ndevil.com/path. Esta vulnerabilidad sólo es explotable si es usado un servidor WSGI alternativo que no sea Werkzeug, o es modificado el comportamiento por defecto de Werkzeug usando \"autocorrect_location_header=False. **Nota:** Flask-Security ya no es mantenido"}],"metrics":{"cvssMetricV31":[{"source":"report@snyk.io","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":2.5},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":2.7}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-601"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:flask-security_project:flask-security:*:*:*:*:*:*:*:*","matchCriteriaId":"A64C5EBD-CA0E-4C5C-A6DD-491E03BF261C"}]}]}],"references":[{"url":"https://github.com/mattupstate/flask-security","source":"report@snyk.io","tags":["Product","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/08/msg00034.html","source":"report@snyk.io"},{"url":"https://security.snyk.io/vuln/SNYK-PYTHON-FLASKSECURITY-1293234","source":"report@snyk.io","tags":["Exploit","Third Party Advisory"]},{"url":"https://snyk.io/blog/url-confusion-vulnerabilities/","source":"report@snyk.io","tags":["Technical Description","Third Party Advisory"]},{"url":"https://github.com/mattupstate/flask-security","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Product","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/08/msg00034.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.snyk.io/vuln/SNYK-PYTHON-FLASKSECURITY-1293234","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]},{"url":"https://snyk.io/blog/url-confusion-vulnerabilities/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Technical Description","Third Party Advisory"]}]}}]}