CVE-2021-23385

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-23385", "assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "assignerShortName": "snyk", "dateUpdated": "2024-09-16T22:08:36.808Z", "dateReserved": "2021-01-08T00:00:00.000Z", "datePublished": "2022-08-02T13:25:14.717Z"}, "containers": {"cna": {"title": "Open Redirect", "datePublic": "2022-08-02T00:00:00.000Z", "providerMetadata": {"orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk", "dateUpdated": "2023-08-28T18:06:09.073Z"}, "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."}], "affected": [{"vendor": "n/a", "product": "Flask-Security", "versions": [{"version": "0", "status": "affected", "lessThan": "unspecified", "versionType": "custom"}]}], "references": [{"url": "https://security.snyk.io/vuln/SNYK-PYTHON-FLASKSECURITY-1293234"}, {"url": "https://github.com/mattupstate/flask-security"}, {"url": "https://snyk.io/blog/url-confusion-vulnerabilities/"}, {"name": "[debian-lts-announce] 20230828 [SECURITY] [DLA 3545-1] flask-security security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00034.html"}], "credits": [{"lang": "en", "value": "Noam Moshe of Claroty"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:U/RC:C", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "exploitCodeMaturity": "PROOF_OF_CONCEPT", "remediationLevel": "UNAVAILABLE", "reportConfidence": "CONFIRMED", "baseScore": 5.4, "temporalScore": 5.1, "baseSeverity": "MEDIUM", "temporalSeverity": "MEDIUM"}}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "Open Redirect"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:05:55.663Z"}, "title": "CVE Program Container", "references": [{"url": "https://security.snyk.io/vuln/SNYK-PYTHON-FLASKSECURITY-1293234", "tags": ["x_transferred"]}, {"url": "https://github.com/mattupstate/flask-security", "tags": ["x_transferred"]}, {"url": "https://snyk.io/blog/url-confusion-vulnerabilities/", "tags": ["x_transferred"]}, {"name": "[debian-lts-announce] 20230828 [SECURITY] [DLA 3545-1] flask-security security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00034.html"}]}]}}

{}

{"affected": [{"affectedData": [{"product": "Flask-Security", "vendor": "n/a", "versions": [{"lessThan": "unspecified", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "report@snyk.io"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:flask-security_project:flask-security:*:*:*:*:*:*:*:*", "matchCriteriaId": "A64C5EBD-CA0E-4C5C-A6DD-491E03BF261C", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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 comprobaci\u00f3n de la URL y redirigir a un usuario a una URL arbitraria proporcionando m\u00faltiples barras diagonales traseras como \\\\\\Ndevil.com/path. Esta vulnerabilidad s\u00f3lo 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"}], "id": "CVE-2021-23385", "lastModified": "2026-06-17T03:38:39.950", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "report@snyk.io", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-08-02T14:15:10.017", "references": [{"source": "report@snyk.io", "tags": ["Product", "Third Party Advisory"], "url": "https://github.com/mattupstate/flask-security"}, {"source": "report@snyk.io", "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00034.html"}, {"source": "report@snyk.io", "tags": ["Exploit", "Third Party Advisory"], "url": "https://security.snyk.io/vuln/SNYK-PYTHON-FLASKSECURITY-1293234"}, {"source": "report@snyk.io", "tags": ["Technical Description", "Third Party Advisory"], "url": "https://snyk.io/blog/url-confusion-vulnerabilities/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product", "Third Party Advisory"], "url": "https://github.com/mattupstate/flask-security"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00034.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://security.snyk.io/vuln/SNYK-PYTHON-FLASKSECURITY-1293234"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Technical Description", "Third Party Advisory"], "url": "https://snyk.io/blog/url-confusion-vulnerabilities/"}], "sourceIdentifier": "report@snyk.io", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-601"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}