CVE-2021-27793

{"containers": {"cna": {"affected": [{"product": "Brocade Fabric OS", "vendor": "n/a", "versions": [{"status": "affected", "version": "Versions before Brocade Fabric OS v9.0.1b and after 9.0.0, also before Brocade Fabric OS v8.2.3a and after v8.2.0"}]}], "descriptions": [{"lang": "en", "value": "ntermittent authorization failure in aaa tacacs+ with Brocade Fabric OS versions before Brocade Fabric OS v9.0.1b and after 9.0.0, also in Brocade Fabric OS before Brocade Fabric OS v8.2.3a and after v8.2.0 could cause a user with a valid account to be unable to log into the switch."}], "problemTypes": [{"descriptions": [{"description": "Improper Authorization", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-08-19T09:06:33.000Z", "orgId": "87b297d7-335e-4844-9551-11b97995a791", "shortName": "brocade"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1553"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20210819-0001/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "sirt@brocade.com", "ID": "CVE-2021-27793", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Brocade Fabric OS", "version": {"version_data": [{"version_value": "Versions before Brocade Fabric OS v9.0.1b and after 9.0.0, also before Brocade Fabric OS v8.2.3a and after v8.2.0"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "ntermittent authorization failure in aaa tacacs+ with Brocade Fabric OS versions before Brocade Fabric OS v9.0.1b and after 9.0.0, also in Brocade Fabric OS before Brocade Fabric OS v8.2.3a and after v8.2.0 could cause a user with a valid account to be unable to log into the switch."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Improper Authorization"}]}]}, "references": {"reference_data": [{"name": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1553", "refsource": "MISC", "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1553"}, {"name": "https://security.netapp.com/advisory/ntap-20210819-0001/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20210819-0001/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T21:33:15.756Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1553"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20210819-0001/"}]}]}, "cveMetadata": {"assignerOrgId": "87b297d7-335e-4844-9551-11b97995a791", "assignerShortName": "brocade", "cveId": "CVE-2021-27793", "datePublished": "2021-08-12T14:24:18.000Z", "dateReserved": "2021-02-26T00:00:00.000Z", "dateUpdated": "2024-08-03T21:33:15.756Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Brocade Fabric OS", "vendor": "n/a", "versions": [{"status": "affected", "version": "Versions before Brocade Fabric OS v9.0.1b and after 9.0.0, also before Brocade Fabric OS v8.2.3a and after v8.2.0"}]}], "source": "sirt@brocade.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*", "matchCriteriaId": "85D187BF-39F3-4AA9-BDBA-3EE1C4428536", "versionEndExcluding": "8.2.3", "versionStartIncluding": "8.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*", "matchCriteriaId": "23C9EA56-CB9E-4216-80FE-1FFB7A6FFA09", "versionEndExcluding": "9.0.1", "versionStartIncluding": "9.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:broadcom:fabric_operating_system:8.2.3:*:*:*:*:*:*:*", "matchCriteriaId": "8B8758BE-527C-40EA-BFE6-848A1C87723F", "vulnerable": true}, {"criteria": "cpe:2.3:o:broadcom:fabric_operating_system:9.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "3AAD9957-CACE-472A-86F5-144AEA651948", "vulnerable": true}, {"criteria": "cpe:2.3:o:broadcom:fabric_operating_system:9.0.1a:*:*:*:*:*:*:*", "matchCriteriaId": "73C4B568-2A94-43F0-9F71-6D1206D59964", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ntermittent authorization failure in aaa tacacs+ with Brocade Fabric OS versions before Brocade Fabric OS v9.0.1b and after 9.0.0, also in Brocade Fabric OS before Brocade Fabric OS v8.2.3a and after v8.2.0 could cause a user with a valid account to be unable to log into the switch."}, {"lang": "es", "value": "Un fallo de autorizaci\u00f3n intermitente en aaa tacacs+ con las versiones de Brocade Fabric OS anteriores a v9.0.1b y posteriores a 9.0.0, tambi\u00e9n en Brocade Fabric OS versiones anteriores a v8.2.3a y posteriores a v8.2.0, podr\u00eda causar que un usuario con una cuenta v\u00e1lida no pudiera iniciar sesi\u00f3n en el switch"}], "id": "CVE-2021-27793", "lastModified": "2026-06-17T03:45:27.930", "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": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-08-12T15:15:07.817", "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-2021-1553"}, {"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-2021-1553"}], "sourceIdentifier": "sirt@brocade.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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