CVE-2021-21366

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{}

{"affected": [{"affectedData": [{"product": "xmldom", "vendor": "xmldom", "versions": [{"status": "affected", "version": "< 0.5.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:xmldom_project:xmldom:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "F6797B31-06DB-419B-B5F2-F51DDC057B56", "versionEndExcluding": "0.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module. xmldom versions 0.4.0 and older do not correctly preserve system identifiers, FPIs or namespaces when repeatedly parsing and serializing maliciously crafted documents. This may lead to unexpected syntactic changes during XML processing in some downstream applications. This is fixed in version 0.5.0. As a workaround downstream applications can validate the input and reject the maliciously crafted documents."}, {"lang": "es", "value": "xmldom es un m\u00f3dulo DOMParser y XMLSerializer basado en el est\u00e1ndar JavaScript W3C puro (XML DOM Level 2 Core).&#xa0;xmldom versiones 0.4.0 y anteriores, no preservan correctamente los identificadores del sistema, los FPI o los espacios de nombres cuando se analizan y serializan repetidamente documentos dise\u00f1ados maliciosos.&#xa0;Esto puede conllevar a cambios sint\u00e1cticos inesperados durante el procesamiento de XML en algunas aplicaciones posteriores.&#xa0;Esto es corregido en la versi\u00f3n 0.5.0.&#xa0;Como soluci\u00f3n alternativa, las aplicaciones posteriores pueden comprobar la entrada y rechazar los documentos dise\u00f1ados maliciosos"}], "id": "CVE-2021-21366", "lastModified": "2026-06-17T03:35:24.040", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-12T17:15:12.643", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/xmldom/xmldom/commit/d4201b9dfbf760049f457f9f08a3888d48835135"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/xmldom/xmldom/releases/tag/0.5.0"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/xmldom/xmldom/security/advisories/GHSA-h6q6-9hqw-rwfv"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/01/msg00000.html"}, {"source": "security-advisories@github.com", "tags": ["Product"], "url": "https://www.npmjs.com/package/xmldom"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/xmldom/xmldom/commit/d4201b9dfbf760049f457f9f08a3888d48835135"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://github.com/xmldom/xmldom/releases/tag/0.5.0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/xmldom/xmldom/security/advisories/GHSA-h6q6-9hqw-rwfv"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/01/msg00000.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://www.npmjs.com/package/xmldom"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-115"}, {"lang": "en", "value": "CWE-436"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-436"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "xmldom: incorrect parsing and serialization leads to unexpected behavior", "id": "2210851", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2210851"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "status": "draft"}, "details": ["xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module. xmldom versions 0.4.0 and older do not correctly preserve system identifiers, FPIs or namespaces when repeatedly parsing and serializing maliciously crafted documents. This may lead to unexpected syntactic changes during XML processing in some downstream applications. This is fixed in version 0.5.0. As a workaround downstream applications can validate the input and reject the maliciously crafted documents."], "name": "CVE-2021-21366", "package_state": [{"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Not affected", "package_name": "openshift3/ose-console", "product_name": "Red Hat OpenShift Container Platform 3.11"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-console", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2023-03-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-21366\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-21366\nhttps://github.com/xmldom/xmldom/commit/d4201b9dfbf760049f457f9f08a3888d48835135\nhttps://github.com/xmldom/xmldom/releases/tag/0.5.0\nhttps://github.com/xmldom/xmldom/security/advisories/GHSA-h6q6-9hqw-rwfv\nhttps://lists.debian.org/debian-lts-announce/2023/01/msg00000.html\nhttps://www.npmjs.com/package/xmldom"], "threat_severity": "Moderate"}

{}