CVE-2021-21369

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This has been fixed in version 1.5.1."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/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"}]}], "providerMetadata": {"dateUpdated": "2021-03-09T18:10:18.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/hyperledger/besu/security/advisories/GHSA-qgfj-mjpc-7w3q"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/hyperledger/besu/blob/master/CHANGELOG.md#151"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/hyperledger/besu/pull/1144"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/hyperledger/besu/commit/06e35a58c07a30c0fbdc0aae45a3e8b06b53c022"}], "source": {"advisory": "GHSA-qgfj-mjpc-7w3q", "discovery": "UNKNOWN"}, "title": "Potential DoS in Besu HTTP JSON-RPC API", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-21369", "STATE": "PUBLIC", "TITLE": "Potential DoS in Besu HTTP JSON-RPC API"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "besu", "version": {"version_data": [{"version_value": "< 1.5.1"}]}}]}, "vendor_name": "hyperledger"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Hyperledger Besu is an open-source, MainNet compatible, Ethereum client written in Java. In Besu before version 1.5.1 there is a denial-of-service vulnerability involving the HTTP JSON-RPC API service. If username and password authentication is enabled for the HTTP JSON-RPC API service, then prior to making any requests to an API endpoint the requestor must use the login endpoint to obtain a JSON web token (JWT) using their credentials. A single user can readily overload the login endpoint with invalid requests (incorrect password). As the supplied password is checked for validity on the main vertx event loop and takes a relatively long time this can cause the processing of other valid requests to fail. A valid username is required for this vulnerability to be exposed. This has been fixed in version 1.5.1."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/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"}]}]}, "references": {"reference_data": [{"name": "https://github.com/hyperledger/besu/security/advisories/GHSA-qgfj-mjpc-7w3q", "refsource": "CONFIRM", "url": "https://github.com/hyperledger/besu/security/advisories/GHSA-qgfj-mjpc-7w3q"}, {"name": "https://github.com/hyperledger/besu/blob/master/CHANGELOG.md#151", "refsource": "MISC", "url": "https://github.com/hyperledger/besu/blob/master/CHANGELOG.md#151"}, {"name": "https://github.com/hyperledger/besu/pull/1144", "refsource": "MISC", "url": "https://github.com/hyperledger/besu/pull/1144"}, {"name": "https://github.com/hyperledger/besu/commit/06e35a58c07a30c0fbdc0aae45a3e8b06b53c022", "refsource": "MISC", "url": "https://github.com/hyperledger/besu/commit/06e35a58c07a30c0fbdc0aae45a3e8b06b53c022"}]}, "source": {"advisory": "GHSA-qgfj-mjpc-7w3q", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:09:15.981Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/hyperledger/besu/security/advisories/GHSA-qgfj-mjpc-7w3q"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/hyperledger/besu/blob/master/CHANGELOG.md#151"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/hyperledger/besu/pull/1144"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/hyperledger/besu/commit/06e35a58c07a30c0fbdc0aae45a3e8b06b53c022"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-21369", "datePublished": "2021-03-09T18:10:18.000Z", "dateReserved": "2020-12-22T00:00:00.000Z", "dateUpdated": "2024-08-03T18:09:15.981Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "besu", "vendor": "hyperledger", "versions": [{"status": "affected", "version": "< 1.5.1"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:linuxfoundation:besu:*:*:*:*:*:*:*:*", "matchCriteriaId": "236DADDD-59BD-4AD7-9B91-16F5A30FFA0D", "versionEndExcluding": "1.5.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Hyperledger Besu is an open-source, MainNet compatible, Ethereum client written in Java. In Besu before version 1.5.1 there is a denial-of-service vulnerability involving the HTTP JSON-RPC API service. If username and password authentication is enabled for the HTTP JSON-RPC API service, then prior to making any requests to an API endpoint the requestor must use the login endpoint to obtain a JSON web token (JWT) using their credentials. A single user can readily overload the login endpoint with invalid requests (incorrect password). As the supplied password is checked for validity on the main vertx event loop and takes a relatively long time this can cause the processing of other valid requests to fail. A valid username is required for this vulnerability to be exposed. This has been fixed in version 1.5.1."}, {"lang": "es", "value": "Hyperledger Besu es un cliente Ethereum de c\u00f3digo abierto, compatible con MainNet, escrito en Java.&#xa0;En Besu versiones anteriores a 1.5.1 se presenta una vulnerabilidad de denegaci\u00f3n de servicio que involucra al servicio HTTP JSON-RPC API .&#xa0;Si la autenticaci\u00f3n de nombre de usuario y contrase\u00f1a est\u00e1 habilitada para el servicio de HTTP JSON-RPC API , antes de realizar cualquier petici\u00f3n a un endpoint de la API, el solicitante debe usar el endpoint de inicio de sesi\u00f3n para obtener un token web JSON (JWT) con sus credenciales.&#xa0;Un solo usuario puede sobrecargar f\u00e1cilmente el endpoint de inicio de sesi\u00f3n con peticiones no v\u00e1lidas (contrase\u00f1a incorrecta).&#xa0;Como se comprueba la validez de la contrase\u00f1a proporcionada en el bucle de eventos principal de vertx y lleva un tiempo relativamente largo, esto puede causar que el procesamiento de otras peticiones v\u00e1lidas presenten un fallo.&#xa0;Es requerido un nombre de usuario v\u00e1lido para que se exponga esta vulnerabilidad.&#xa0;Esto ha sido corregido en la versi\u00f3n 1.5.1"}], "id": "CVE-2021-21369", "lastModified": "2026-06-17T03:35:24.457", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "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": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-09T18:15:18.047", "references": [{"source": "security-advisories@github.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/hyperledger/besu/blob/master/CHANGELOG.md#151"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/hyperledger/besu/commit/06e35a58c07a30c0fbdc0aae45a3e8b06b53c022"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/hyperledger/besu/pull/1144"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/hyperledger/besu/security/advisories/GHSA-qgfj-mjpc-7w3q"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/hyperledger/besu/blob/master/CHANGELOG.md#151"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/hyperledger/besu/commit/06e35a58c07a30c0fbdc0aae45a3e8b06b53c022"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/hyperledger/besu/pull/1144"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/hyperledger/besu/security/advisories/GHSA-qgfj-mjpc-7w3q"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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