CVE-2021-43669

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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:linuxfoundation:fabric:1.4.0:*:*:*:*:*:*:*", "matchCriteriaId": "AE1F2B85-8EC3-4525-A3F1-7D2AAD092EC5", "vulnerable": true}, {"criteria": "cpe:2.3:a:linuxfoundation:fabric:2.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "1BCE2A3B-73F9-4C60-99D5-D6EEF26FA319", "vulnerable": true}, {"criteria": "cpe:2.3:a:linuxfoundation:fabric:2.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "3725FF74-565F-4E63-9672-C13DF22CDEC6", "vulnerable": true}, {"criteria": "cpe:2.3:a:linuxfoundation:fabric:2.3.0:*:*:*:*:*:*:*", "matchCriteriaId": "10EA0DD7-9325-4796-9F5D-9B06581D455B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been detected in HyperLedger Fabric v1.4.0, v2.0.0, v2.0.1, v2.3.0. It can easily break down as many orderers as the attacker wants. This bug can be leveraged by constructing a message whose header is invalid to the interface Order. This bug has been admitted and fixed by the developers of Fabric."}, {"lang": "es", "value": "Se ha detectado una vulnerabilidad en HyperLedger Fabric versiones v1.4.0, v2.0.0, v2.0.1, v2.3.0. Puede romper f\u00e1cilmente tantos ordenadores como el atacante quiera. Este bug puede ser aprovechado al construir un mensaje cuyo encabezado no sea v\u00e1lida para la interfaz Orden. Este bug ha sido admitido y corregido por los desarrolladores de Fabric."}], "id": "CVE-2021-43669", "lastModified": "2026-06-17T04:11:15.120", "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": "2021-11-18T16:15:09.323", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/hyperledger/fabric/pull/2828"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://jira.hyperledger.org/browse/FAB-18528"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/hyperledger/fabric/pull/2828"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://jira.hyperledger.org/browse/FAB-18528"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-444"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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