CVE-2020-36049

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:socket:socket.io-parser:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "17FA279E-C224-4AA8-BAF2-15B18DADF8B8", "versionEndExcluding": "3.4.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "socket.io-parser before 3.4.1 allows attackers to cause a denial of service (memory consumption) via a large packet because a concatenation approach is used."}, {"lang": "es", "value": "socket.io-parser versiones anteriores a 3.4.1, permite a atacantes causar una denegaci\u00f3n de servicio (consumo de la memoria) por medio de un paquete grande porque es usado un enfoque de concatenaci\u00f3n"}], "id": "CVE-2020-36049", "lastModified": "2026-06-17T03:14:44.860", "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": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-01-08T00:15:11.187", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blog.caller.xyz/socketio-engineio-dos/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/bcaller/kill-engine-io"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/socketio/socket.io-parser/commit/dcb942d24db97162ad16a67c2a0cf30875342d55"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blog.caller.xyz/socketio-engineio-dos/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/bcaller/kill-engine-io"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/socketio/socket.io-parser/commit/dcb942d24db97162ad16a67c2a0cf30875342d55"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "yarnpkg-socket.io-parser: a denial of service (memory consumption) via a large packet because a concatenation approach is used", "id": "1918266", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1918266"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-400", "details": ["socket.io-parser before 3.4.1 allows attackers to cause a denial of service (memory consumption) via a large packet because a concatenation approach is used.", "An uncontrolled resource consumption vulnerability was found in socket.io-parser. If an attacker crafts a packet with a very large payload length, this can cause the parser to consume an ever-increasing amount of memory, resulting in a denial of service. The highest threat from this vulnerability is to system availability."], "name": "CVE-2020-36049", "package_state": [{"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Affected", "impact": "low", "package_name": "system", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Not affected", "impact": "low", "package_name": "quay/quay-builder-qemu-rhcos-rhel8", "product_name": "Red Hat Quay 3"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Fix deferred", "impact": "low", "package_name": "quay/quay-rhel8", "product_name": "Red Hat Quay 3"}], "public_date": "2020-01-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-36049\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-36049\nhttps://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1056753"], "threat_severity": "Important"}

{}