{"containers": {"cna": {"affected": [{"product": "trailing-slash", "vendor": "n/a", "versions": [{"lessThan": "2.0.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "apple502j"}], "datePublic": "2021-05-24T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The package trailing-slash before 2.0.1 are vulnerable to Open Redirect via the use of trailing double slashes in the URL when accessing the vulnerable endpoint (such as https://example.com//attacker.example/). The vulnerable code is in index.js::createTrailing(), as the web server uses relative URLs instead of absolute URLs."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "exploitCodeMaturity": "PROOF_OF_CONCEPT", "integrityImpact": "LOW", "privilegesRequired": "NONE", "remediationLevel": "OFFICIAL_FIX", "reportConfidence": "CONFIRMED", "scope": "UNCHANGED", "temporalScore": 4.9, "temporalSeverity": "MEDIUM", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Open Redirect", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-05-24T18:16:33.000Z", "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://snyk.io/vuln/SNYK-JS-TRAILINGSLASH-1085707"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/fardog/trailing-slash/blob/f640ece055fe85275c983de5eb94661b95e35670/index.js%23L36"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/fardog/trailing-slash/commit/f8e66f1429308247e5a119d430203077d8f05048"}], "title": "Open Redirect", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "report@snyk.io", "DATE_PUBLIC": "2021-05-24T18:11:40.096100Z", "ID": "CVE-2021-23387", "STATE": "PUBLIC", "TITLE": "Open Redirect"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "trailing-slash", "version": {"version_data": [{"version_affected": "<", "version_value": "2.0.1"}]}}]}, "vendor_name": "n/a"}]}}, "credit": [{"lang": "eng", "value": "apple502j"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The package trailing-slash before 2.0.1 are vulnerable to Open Redirect via the use of trailing double slashes in the URL when accessing the vulnerable endpoint (such as https://example.com//attacker.example/). The vulnerable code is in index.js::createTrailing(), as the web server uses relative URLs instead of absolute URLs."}]}, "impact": {"cvss": {"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/E:P/RL:O/RC:C", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Open Redirect"}]}]}, "references": {"reference_data": [{"name": "https://snyk.io/vuln/SNYK-JS-TRAILINGSLASH-1085707", "refsource": "MISC", "url": "https://snyk.io/vuln/SNYK-JS-TRAILINGSLASH-1085707"}, {"name": "https://github.com/fardog/trailing-slash/blob/f640ece055fe85275c983de5eb94661b95e35670/index.js%23L36", "refsource": "MISC", "url": "https://github.com/fardog/trailing-slash/blob/f640ece055fe85275c983de5eb94661b95e35670/index.js%23L36"}, {"name": "https://github.com/fardog/trailing-slash/commit/f8e66f1429308247e5a119d430203077d8f05048", "refsource": "MISC", "url": "https://github.com/fardog/trailing-slash/commit/f8e66f1429308247e5a119d430203077d8f05048"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:05:55.803Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://snyk.io/vuln/SNYK-JS-TRAILINGSLASH-1085707"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/fardog/trailing-slash/blob/f640ece055fe85275c983de5eb94661b95e35670/index.js%23L36"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/fardog/trailing-slash/commit/f8e66f1429308247e5a119d430203077d8f05048"}]}]}, "cveMetadata": {"assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "assignerShortName": "snyk", "cveId": "CVE-2021-23387", "datePublished": "2021-05-24T18:16:34.116Z", "dateReserved": "2021-01-08T00:00:00.000Z", "dateUpdated": "2024-09-17T02:31:13.513Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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