{"api_version":"1","generated_at":"2026-07-23T14:44:36+00:00","cve":"CVE-2021-1354","urls":{"html":"https://cve.report/CVE-2021-1354","api":"https://cve.report/api/cve/CVE-2021-1354.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-1354","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-1354"},"summary":{"title":"CVE-2021-1354","description":"A vulnerability in the certificate registration process of Cisco Unified Computing System (UCS) Central Software could allow an authenticated, adjacent attacker to register a rogue Cisco Unified Computing System Manager (UCSM). This vulnerability is due to improper certificate validation. An attacker could exploit this vulnerability by sending a crafted HTTP request to the registration API. A successful exploit could allow the attacker to register a rogue Cisco UCSM and gain access to Cisco UCS Central Software data and Cisco UCSM inventory data.","state":"PUBLIC","assigner":"psirt@cisco.com","published_at":"2021-02-04 17:15:00","updated_at":"2023-11-07 03:28:00"},"problem_types":["CWE-295"],"metrics":[],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-invcert-eOpRvCKH","name":"20210203 Cisco Unified Computing System Central Software Improper Certificate Validation Vulnerability","refsource":"CISCO","tags":["Vendor Advisory"],"title":"Cisco Unified Computing System Central Software Improper Certificate Validation Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-1354","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1354","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"1354","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_computing_system_central_software","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"1354","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"unified_computing_system_central_software","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"psirt@cisco.com","DATE_PUBLIC":"2021-02-03T16:00:00","ID":"CVE-2021-1354","STATE":"PUBLIC","TITLE":"Cisco Unified Computing System Central Software Improper Certificate Validation Vulnerability"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Cisco Unified Computing System Central Software ","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"Cisco"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A vulnerability in the certificate registration process of Cisco Unified Computing System (UCS) Central Software could allow an authenticated, adjacent attacker to register a rogue Cisco Unified Computing System Manager (UCSM). This vulnerability is due to improper certificate validation. An attacker could exploit this vulnerability by sending a crafted HTTP request to the registration API. A successful exploit could allow the attacker to register a rogue Cisco UCSM and gain access to Cisco UCS Central Software data and Cisco UCSM inventory data."}]},"exploit":[{"lang":"eng","value":"The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory. "}],"impact":{"cvss":{"baseScore":"4.3","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N ","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-295"}]}]},"references":{"reference_data":[{"name":"20210203 Cisco Unified Computing System Central Software Improper Certificate Validation Vulnerability","refsource":"CISCO","url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-invcert-eOpRvCKH"}]},"source":{"advisory":"cisco-sa-ucs-invcert-eOpRvCKH","defect":[["CSCvw35850"]],"discovery":"INTERNAL"}},"nvd":{"publishedDate":"2021-02-04 17:15:00","lastModifiedDate":"2023-11-07 03:28:00","problem_types":["CWE-295"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":3.5,"baseSeverity":"LOW"},"exploitabilityScore":2.1,"impactScore":1.4},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:A/AC:L/Au:S/C:P/I:N/A:N","accessVector":"ADJACENT_NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":2.7},"severity":"LOW","exploitabilityScore":5.1,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:cisco:unified_computing_system_central_software:*:*:*:*:*:*:*:*","versionEndExcluding":"2.0\\(1m\\)","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"1354","Ordinal":"191427","Title":"CVE-2021-1354","CVE":"CVE-2021-1354","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"1354","Ordinal":"1","NoteData":"A vulnerability in the certificate registration process of Cisco Unified Computing System (UCS) Central Software could allow an authenticated, adjacent attacker to register a rogue Cisco Unified Computing System Manager (UCSM). This vulnerability is due to improper certificate validation. An attacker could exploit this vulnerability by sending a crafted HTTP request to the registration API. A successful exploit could allow the attacker to register a rogue Cisco UCSM and gain access to Cisco UCS Central Software data and Cisco UCSM inventory data.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"1354","Ordinal":"2","NoteData":"2021-02-04","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"1354","Ordinal":"3","NoteData":"2021-02-04","Type":"Other","Title":"Modified"}]}}}