CVE-2021-21267

{"containers": {"cna": {"affected": [{"product": "schema-inspector", "vendor": "schema-inspector", "versions": [{"status": "affected", "version": "< 2.0.0"}]}], "descriptions": [{"lang": "en", "value": "Schema-Inspector is an open-source tool to sanitize and validate JS objects (npm package schema-inspector). In before version 2.0.0, email address validation is vulnerable to a denial-of-service attack where some input (for example `a@0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.`) will freeze the program or web browser page executing the code. This affects any current schema-inspector users using any version to validate email addresses. Users who do not do email validation, and instead do other types of validation (like string min or max length, etc), are not affected. Users should upgrade to version 2.0.0, which uses a regex expression that isn't vulnerable to ReDoS."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400: Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-20", "description": "CWE-20: Improper Input Validation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-05-28T09:06:17.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/schema-inspector/schema-inspector/security/advisories/GHSA-f38p-c2gq-4pmr"}, {"tags": ["x_refsource_MISC"], "url": "https://gist.github.com/mattwelke/b7f42424680a57b8161794ad1737cd8f"}, {"tags": ["x_refsource_MISC"], "url": "https://www.npmjs.com/package/schema-inspector"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20210528-0006/"}], "source": {"advisory": "GHSA-f38p-c2gq-4pmr", "discovery": "UNKNOWN"}, "title": "Regular Expression Denial-of-Service in npm schema-inspector", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-21267", "STATE": "PUBLIC", "TITLE": "Regular Expression Denial-of-Service in npm schema-inspector"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "schema-inspector", "version": {"version_data": [{"version_value": "< 2.0.0"}]}}]}, "vendor_name": "schema-inspector"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Schema-Inspector is an open-source tool to sanitize and validate JS objects (npm package schema-inspector). In before version 2.0.0, email address validation is vulnerable to a denial-of-service attack where some input (for example `a@0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.`) will freeze the program or web browser page executing the code. This affects any current schema-inspector users using any version to validate email addresses. Users who do not do email validation, and instead do other types of validation (like string min or max length, etc), are not affected. Users should upgrade to version 2.0.0, which uses a regex expression that isn't vulnerable to ReDoS."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-400: Uncontrolled Resource Consumption"}]}, {"description": [{"lang": "eng", "value": "CWE-20: Improper Input Validation"}]}]}, "references": {"reference_data": [{"name": "https://github.com/schema-inspector/schema-inspector/security/advisories/GHSA-f38p-c2gq-4pmr", "refsource": "CONFIRM", "url": "https://github.com/schema-inspector/schema-inspector/security/advisories/GHSA-f38p-c2gq-4pmr"}, {"name": "https://gist.github.com/mattwelke/b7f42424680a57b8161794ad1737cd8f", "refsource": "MISC", "url": "https://gist.github.com/mattwelke/b7f42424680a57b8161794ad1737cd8f"}, {"name": "https://www.npmjs.com/package/schema-inspector", "refsource": "MISC", "url": "https://www.npmjs.com/package/schema-inspector"}, {"name": "https://security.netapp.com/advisory/ntap-20210528-0006/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20210528-0006/"}]}, "source": {"advisory": "GHSA-f38p-c2gq-4pmr", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:09:14.989Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/schema-inspector/schema-inspector/security/advisories/GHSA-f38p-c2gq-4pmr"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://gist.github.com/mattwelke/b7f42424680a57b8161794ad1737cd8f"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.npmjs.com/package/schema-inspector"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20210528-0006/"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-21267", "datePublished": "2021-03-19T20:25:13.000Z", "dateReserved": "2020-12-22T00:00:00.000Z", "dateUpdated": "2024-08-03T18:09:14.989Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "schema-inspector", "vendor": "schema-inspector", "versions": [{"status": "affected", "version": "< 2.0.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:schema-inspector_project:schema-inspector:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "D161AA96-06D3-4764-9274-A3BD6FC67DEC", "versionEndExcluding": "2.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:netapp:e-series_performance_analyzer:-:*:*:*:*:*:*:*", "matchCriteriaId": "24B8DB06-590A-4008-B0AB-FCD1401C77C6", "vulnerable": true}, {"criteria": "cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*", "matchCriteriaId": "F1BE6C1F-2565-4E97-92AA-16563E5660A5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Schema-Inspector is an open-source tool to sanitize and validate JS objects (npm package schema-inspector). In before version 2.0.0, email address validation is vulnerable to a denial-of-service attack where some input (for example `a@0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.`) will freeze the program or web browser page executing the code. This affects any current schema-inspector users using any version to validate email addresses. Users who do not do email validation, and instead do other types of validation (like string min or max length, etc), are not affected. Users should upgrade to version 2.0.0, which uses a regex expression that isn't vulnerable to ReDoS."}, {"lang": "es", "value": "Schema-Inspector es una herramienta de c\u00f3digo abierto para sanear y comprobar objetos JS (el inspector de esquema del paquete npm).&#xa0;versiones anteriores a 2.0.0, la comprobaci\u00f3n de la direcci\u00f3n de correo electr\u00f3nico es vulnerable a un ataque de denegaci\u00f3n de servicio donde alguna entrada (por ejemplo, \"a@0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0 .0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0 \") congelar\u00e1 el programa o la p\u00e1gina del navegador web que ejecuta el c\u00f3digo.&#xa0;Esto afecta a cualquier usuario actual del inspector de esquemas que usan cualquier versi\u00f3n para comprobar direcciones de correo electr\u00f3nico.&#xa0;Los usuarios que no realizan la comprobaci\u00f3n por correo electr\u00f3nico y, en su lugar, realizan otros tipos de comprobaci\u00f3n (como la longitud m\u00ednima o m\u00e1xima de la cadena, etc.), no est\u00e1n afectados.&#xa0;Los usuarios deben actualizar a la versi\u00f3n 2.0.0, que usa una expresi\u00f3n regular que no es vulnerable a ReDoS"}], "id": "CVE-2021-21267", "lastModified": "2026-06-17T03:35:09.537", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-19T21:15:12.417", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://gist.github.com/mattwelke/b7f42424680a57b8161794ad1737cd8f"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/schema-inspector/schema-inspector/security/advisories/GHSA-f38p-c2gq-4pmr"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210528-0006/"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.npmjs.com/package/schema-inspector"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://gist.github.com/mattwelke/b7f42424680a57b8161794ad1737cd8f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/schema-inspector/schema-inspector/security/advisories/GHSA-f38p-c2gq-4pmr"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210528-0006/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.npmjs.com/package/schema-inspector"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-400"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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