CVE-2021-21377

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External URLs are not considered valid, unless specified in the omero.web.redirect_allowed_hosts setting."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-601", "description": "CWE-601 URL Redirection to Untrusted Site ('Open Redirect')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-03-23T15:25:28.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://pypi.org/project/omero-web/"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/ome/omero-web/blob/master/CHANGELOG.md#590-march-2021"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/ome/omero-web/commit/952f8e5d28532fbb14fb665982211329d137908c"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/ome/omero-web/security/advisories/GHSA-g4rf-pc26-6hmr"}, {"tags": ["x_refsource_MISC"], "url": "https://www.openmicroscopy.org/security/advisories/2021-SV2/"}], "source": {"advisory": "GHSA-g4rf-pc26-6hmr", "discovery": "UNKNOWN"}, "title": "Open Redirect in OMERO.web", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-21377", "STATE": "PUBLIC", "TITLE": "Open Redirect in OMERO.web"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "omero-web", "version": {"version_data": [{"version_value": "< 5.9.0"}]}}]}, "vendor_name": "ome"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "OMERO.web is open source Django-based software for managing microscopy imaging. OMERO.web before version 5.9.0 supports redirection to a given URL after performing login or switching the group context. These URLs are not validated, allowing redirection to untrusted sites. OMERO.web 5.9.0 adds URL validation before redirecting. External URLs are not considered valid, unless specified in the omero.web.redirect_allowed_hosts setting."}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-601 URL Redirection to Untrusted Site ('Open Redirect')"}]}]}, "references": {"reference_data": [{"name": "https://pypi.org/project/omero-web/", "refsource": "MISC", "url": "https://pypi.org/project/omero-web/"}, {"name": "https://github.com/ome/omero-web/blob/master/CHANGELOG.md#590-march-2021", "refsource": "MISC", "url": "https://github.com/ome/omero-web/blob/master/CHANGELOG.md#590-march-2021"}, {"name": "https://github.com/ome/omero-web/commit/952f8e5d28532fbb14fb665982211329d137908c", "refsource": "MISC", "url": "https://github.com/ome/omero-web/commit/952f8e5d28532fbb14fb665982211329d137908c"}, {"name": "https://github.com/ome/omero-web/security/advisories/GHSA-g4rf-pc26-6hmr", "refsource": "CONFIRM", "url": "https://github.com/ome/omero-web/security/advisories/GHSA-g4rf-pc26-6hmr"}, {"name": "https://www.openmicroscopy.org/security/advisories/2021-SV2/", "refsource": "MISC", "url": "https://www.openmicroscopy.org/security/advisories/2021-SV2/"}]}, "source": {"advisory": "GHSA-g4rf-pc26-6hmr", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:09:15.795Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://pypi.org/project/omero-web/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/ome/omero-web/blob/master/CHANGELOG.md#590-march-2021"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/ome/omero-web/commit/952f8e5d28532fbb14fb665982211329d137908c"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/ome/omero-web/security/advisories/GHSA-g4rf-pc26-6hmr"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.openmicroscopy.org/security/advisories/2021-SV2/"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-21377", "datePublished": "2021-03-23T15:25:28.000Z", "dateReserved": "2020-12-22T00:00:00.000Z", "dateUpdated": "2024-08-03T18:09:15.795Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "omero-web", "vendor": "ome", "versions": [{"status": "affected", "version": "< 5.9.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openmicroscopy:omero.web:*:*:*:*:*:*:*:*", "matchCriteriaId": "FE6BE44A-DB7D-4846-BEBE-9C96D2294B94", "versionEndExcluding": "5.9.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OMERO.web is open source Django-based software for managing microscopy imaging. OMERO.web before version 5.9.0 supports redirection to a given URL after performing login or switching the group context. These URLs are not validated, allowing redirection to untrusted sites. OMERO.web 5.9.0 adds URL validation before redirecting. External URLs are not considered valid, unless specified in the omero.web.redirect_allowed_hosts setting."}, {"lang": "es", "value": "OMERO.web es un software de c\u00f3digo abierto basado en Django para administrar im\u00e1genes microsc\u00f3picas.&#xa0;OMERO.web versiones anteriores a 5.9.0 admite el redireccionamiento a una URL determinada despu\u00e9s de iniciar sesi\u00f3n o cambiar el contexto del grupo.&#xa0;Estas URL no est\u00e1n comprobadas, permitiendo un redireccionamiento a sitios que no son confiables.&#xa0;OMERO.web versi\u00f3n 5.9.0 agrega comprobaci\u00f3n de URL antes de redireccionar.&#xa0;Las URL Externas no se consideran v\u00e1lidas, a menos que se especifiquen en la configuraci\u00f3n omero.web.redirect_allowed_hosts"}], "id": "CVE-2021-21377", "lastModified": "2026-06-17T03:35:26.587", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.9, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-23T16:15:14.283", "references": [{"source": "security-advisories@github.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/ome/omero-web/blob/master/CHANGELOG.md#590-march-2021"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/ome/omero-web/commit/952f8e5d28532fbb14fb665982211329d137908c"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/ome/omero-web/security/advisories/GHSA-g4rf-pc26-6hmr"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://pypi.org/project/omero-web/"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://www.openmicroscopy.org/security/advisories/2021-SV2/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/ome/omero-web/blob/master/CHANGELOG.md#590-march-2021"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/ome/omero-web/commit/952f8e5d28532fbb14fb665982211329d137908c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/ome/omero-web/security/advisories/GHSA-g4rf-pc26-6hmr"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://pypi.org/project/omero-web/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.openmicroscopy.org/security/advisories/2021-SV2/"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-601"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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