CVE-2021-33175

{"containers": {"cna": {"affected": [{"product": "EMQ X Broker", "vendor": "EMQ Technologies", "versions": [{"status": "affected", "version": "<4.2.8"}]}], "descriptions": [{"lang": "en", "value": "EMQ X Broker versions prior to 4.2.8 are vulnerable to a denial of service attack as a result of excessive memory consumption due to the handling of untrusted inputs. These inputs cause the message broker to consume large amounts of memory, resulting in the application being terminated by the operating system."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-502", "description": "CWE-502: Deserialization of Untrusted Data", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-06-08T14:31:16.000Z", "orgId": "8cad7728-009c-4a3d-a95e-ca62e6ff8a0b", "shortName": "SNPS"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.synopsys.com/blogs/software-security/cyrc-advisory-rabbitmq-emqx-vernemq"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "disclosure@synopsys.com", "ID": "CVE-2021-33175", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "EMQ X Broker", "version": {"version_data": [{"version_value": "<4.2.8"}]}}]}, "vendor_name": "EMQ Technologies"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "EMQ X Broker versions prior to 4.2.8 are vulnerable to a denial of service attack as a result of excessive memory consumption due to the handling of untrusted inputs. These inputs cause the message broker to consume large amounts of memory, resulting in the application being terminated by the operating system."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-502: Deserialization of Untrusted Data"}]}]}, "references": {"reference_data": [{"name": "https://www.synopsys.com/blogs/software-security/cyrc-advisory-rabbitmq-emqx-vernemq", "refsource": "MISC", "url": "https://www.synopsys.com/blogs/software-security/cyrc-advisory-rabbitmq-emqx-vernemq"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:42:20.215Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.synopsys.com/blogs/software-security/cyrc-advisory-rabbitmq-emqx-vernemq"}]}]}, "cveMetadata": {"assignerOrgId": "8cad7728-009c-4a3d-a95e-ca62e6ff8a0b", "assignerShortName": "SNPS", "cveId": "CVE-2021-33175", "datePublished": "2021-06-08T14:31:16.000Z", "dateReserved": "2021-05-18T00:00:00.000Z", "dateUpdated": "2024-08-03T23:42:20.215Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "EMQ X Broker", "vendor": "EMQ Technologies", "versions": [{"status": "affected", "version": "<4.2.8"}]}], "source": "disclosure@synopsys.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:emqx:emq_x_broker:*:*:*:*:*:*:*:*", "matchCriteriaId": "A8F29473-EDF2-4781-8187-9FE19377125B", "versionEndExcluding": "4.2.8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "EMQ X Broker versions prior to 4.2.8 are vulnerable to a denial of service attack as a result of excessive memory consumption due to the handling of untrusted inputs. These inputs cause the message broker to consume large amounts of memory, resulting in the application being terminated by the operating system."}, {"lang": "es", "value": "EMQ X Broker versiones anteriores a 4.2.8, son vulnerables a un ataque de denegaci\u00f3n de servicio como resultado del consumo excesivo de memoria debido al manejo de entradas no confiables. Estas entradas causan que el broker de mensajes consuma grandes cantidades de memoria, resultando en que la aplicaci\u00f3n sea terminada por el sistema operativo"}], "id": "CVE-2021-33175", "lastModified": "2026-06-17T03:54:18.340", "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": "2021-06-08T15:15:07.900", "references": [{"source": "disclosure@synopsys.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.synopsys.com/blogs/software-security/cyrc-advisory-rabbitmq-emqx-vernemq"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.synopsys.com/blogs/software-security/cyrc-advisory-rabbitmq-emqx-vernemq"}], "sourceIdentifier": "disclosure@synopsys.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "disclosure@synopsys.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-770"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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