{"api_version":"1","generated_at":"2026-04-22T23:20:47+00:00","cve":"CVE-2019-1728","urls":{"html":"https://cve.report/CVE-2019-1728","api":"https://cve.report/api/cve/CVE-2019-1728.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2019-1728","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-1728"},"summary":{"title":"CVE-2019-1728","description":"A vulnerability in the Secure Configuration Validation functionality of Cisco FXOS Software and Cisco NX-OS Software could allow an authenticated, local attacker to run arbitrary commands at system boot time with the privileges of root. The vulnerability is due to a lack of proper validation of system files when the persistent configuration information is read from the file system. An attacker could exploit this vulnerability by authenticating to the device and overwriting the persistent configuration storage with malicious executable files. An exploit could allow the attacker to run arbitrary commands at system startup and those commands will run as the root user. The attacker must have valid administrative credentials for the device.","state":"PUBLIC","assigner":"psirt@cisco.com","published_at":"2019-05-15 17:29:00","updated_at":"2019-05-21 13:29:00"},"problem_types":["CWE-347"],"metrics":[],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-conf-bypass","name":"20190515 Cisco FXOS and NX-OS Software Secure Configuration Bypass Vulnerability","refsource":"CISCO","tags":["Vendor Advisory"],"title":"Cisco FXOS and NX-OS Software Secure Configuration Bypass Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/108391","name":"108391","refsource":"BID","tags":[],"title":"Malformed Request","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-1728","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-1728","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2019","cve_id":"1728","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"firepower_4110","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"firepower_4110","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"firepower_4115","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"firepower_4115","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"firepower_4120","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"firepower_4120","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"firepower_4125","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"firepower_4125","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"firepower_4140","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"firepower_4140","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"firepower_4145","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"firepower_4145","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"firepower_4150","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"firepower_4150","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"firepower_9300","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"firepower_9300","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"mds_9000","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"mds_9000","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"mds_9100","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"1728","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"cisco","cpe5":"mds_9100","cpe6":"-","cpe7":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FXOS and NX-OS Software Secure Configuration Bypass Vulnerability"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Cisco NX-OS Software","version":{"version_data":[{"affected":"<","version_value":"8.3(1)"}]}}]},"vendor_name":"Cisco"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A vulnerability in the Secure Configuration Validation functionality of Cisco FXOS Software and Cisco NX-OS Software could allow an authenticated, local attacker to run arbitrary commands at system boot time with the privileges of root. The vulnerability is due to a lack of proper validation of system files when the persistent configuration information is read from the file system. An attacker could exploit this vulnerability by authenticating to the device and overwriting the persistent configuration storage with malicious executable files. An exploit could allow the attacker to run arbitrary commands at system startup and those commands will run as the root user. The attacker must have valid administrative credentials for the device."}]},"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. 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