CVE-2020-36048

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Engine.IO before 4.0.0 allows attackers to cause a denial of service (resource consumption) via a POST request to the long polling transport."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-01-07T23:24:33.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/socketio/engine.io/commit/734f9d1268840722c41219e69eb58318e0b2ac6b"}, {"tags": ["x_refsource_MISC"], "url": "https://blog.caller.xyz/socketio-engineio-dos/"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/bcaller/kill-engine-io"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-36048", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Engine.IO before 4.0.0 allows attackers to cause a denial of service (resource consumption) via a POST request to the long polling transport."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/socketio/engine.io/commit/734f9d1268840722c41219e69eb58318e0b2ac6b", "refsource": "MISC", "url": "https://github.com/socketio/engine.io/commit/734f9d1268840722c41219e69eb58318e0b2ac6b"}, {"name": "https://blog.caller.xyz/socketio-engineio-dos/", "refsource": "MISC", "url": "https://blog.caller.xyz/socketio-engineio-dos/"}, {"name": "https://github.com/bcaller/kill-engine-io", "refsource": "MISC", "url": "https://github.com/bcaller/kill-engine-io"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T17:16:14.103Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/socketio/engine.io/commit/734f9d1268840722c41219e69eb58318e0b2ac6b"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://blog.caller.xyz/socketio-engineio-dos/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/bcaller/kill-engine-io"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-36048", "datePublished": "2021-01-07T23:24:33.000Z", "dateReserved": "2021-01-04T00:00:00.000Z", "dateUpdated": "2024-08-04T17:16:14.103Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"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:engine.io:*:*:*:*:*:*:*:*", "matchCriteriaId": "F77BDE38-0D12-4693-A548-D3A7F44F2162", "versionEndExcluding": "4.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Engine.IO before 4.0.0 allows attackers to cause a denial of service (resource consumption) via a POST request to the long polling transport."}, {"lang": "es", "value": "Engine.IO versiones anteriores a 4.0.0, permite a atacantes causar una denegaci\u00f3n de servicio (consumo de recursos) por medio de una petici\u00f3n POST en el transporte de sondeo grande"}], "id": "CVE-2020-36048", "lastModified": "2026-06-17T03:14:44.730", "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": "2021-01-08T00:15:11.093", "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/engine.io/commit/734f9d1268840722c41219e69eb58318e0b2ac6b"}, {"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/engine.io/commit/734f9d1268840722c41219e69eb58318e0b2ac6b"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "yarnpkg-socket.io/engine.io: allows attackers to cause a denial of service (resource consumption) via a POST request to the long polling transport", "id": "1918265", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1918265"}, "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": ["Engine.IO before 4.0.0 allows attackers to cause a denial of service (resource consumption) via a POST request to the long polling transport.", "An uncontrolled resource consumption vulnerability was found in engine.io. If an attacker crafts a packet with a very large payload length or crafts many small packets, this can cause the engine.io to consume an ever increasing amount of memory and/or CPU, resulting in a denial of service. The highest threat from this vulnerability is to system availability."], "name": "CVE-2020-36048", "package_state": [{"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Fix deferred", "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-2020-36048\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-36048\nhttps://snyk.io/vuln/SNYK-JS-ENGINEIO-1056749"], "statement": "Red Hat Quay uses engine.io as a dependency of karma. Karma and therefore engine.io are only used at build time, and not during runtime, making this vulnerability low impact for Red Hat Quay.", "threat_severity": "Important"}

{}