CVE-2021-27794

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{"affected": [{"affectedData": [{"product": "Brocade Fabric OS", "vendor": "n/a", "versions": [{"status": "affected", "version": "before Brocade Fabric OS v.9.0.1a, v8.2.3a and v7.4.2h"}]}], "source": "sirt@brocade.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*", "matchCriteriaId": "942EE264-4FE0-45C7-A111-0137C18C3962", "versionEndExcluding": "7.4.2h", "vulnerable": true}, {"criteria": "cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*", "matchCriteriaId": "7114B4B6-6494-4296-A91D-92116C6312CB", "versionEndExcluding": "8.2.3a", "versionStartIncluding": "8.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*", "matchCriteriaId": "6D7BD6F1-04FE-45C8-9154-70DBDC01A31F", "versionEndExcluding": "9.0.1a", "versionStartIncluding": "9.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in the authentication mechanism of Brocade Fabric OS versions before Brocade Fabric OS v.9.0.1a, v8.2.3a and v7.4.2h could allow a user to Login with empty password, and invalid password through telnet, ssh and REST."}, {"lang": "es", "value": "Una vulnerabilidad en el mecanismo de autenticaci\u00f3n de las versiones de Brocade Fabric OS anteriores a Brocade Fabric OS v.9.0.1a, v8.2.3a y v7.4.2h, pod\u00eda permitir a un usuario iniciar sesi\u00f3n con una contrase\u00f1a vac\u00eda y no v\u00e1lida mediante telnet, ssh y REST"}], "id": "CVE-2021-27794", "lastModified": "2026-06-17T03:45:28.033", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-08-12T15:15:07.857", "references": [{"source": "sirt@brocade.com", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210819-0001/"}, {"source": "sirt@brocade.com", "tags": ["Vendor Advisory"], "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1552"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210819-0001/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1552"}], "sourceIdentifier": "sirt@brocade.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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