{"schemaVersion":3,"id":"CVE-2019-1950","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A vulnerability in Cisco IOS XE SD-WAN Software could allow an unauthenticated, local attacker to gain unauthorized access to an affected device. The vulnerability is due to the existence of default credentials within the default configuration of an affected device. An attacker who has access to an affected device could log in with elevated privileges. A successful exploit could allow the attacker to take complete control of the device. This vulnerability affects Cisco devices that are running Cisco IOS XE SD-WAN Software releases 16.11 and earlier.","dates":{"published":"2020-02-19T19:55:12.864Z","modified":"2024-11-15T17:39:14.041Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.4,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":8.4,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":8.4,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.2,"severity":"high","vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00333,"percentile":0.25041,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00333},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00333,"percentile":0.25041}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00333,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00333,"percentile":0.25041}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-255","name":"Credentials Management Errors","description":"Weaknesses in this category are related to the management of credentials.","type":"category","status":"Draft","abstraction":null,"likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/255.html"},{"id":"CWE-1188","name":"Initialization of a Resource with an Insecure Default","description":"The product initializes or sets a resource with a default that is intended to be changed by the product's installer, administrator, or maintainer, but the default is not secure.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/1188.html"}],"affected":[{"vendor":"cisco","product":"cisco ios xe sd-wan software","name":"Cisco IOS XE SD-WAN Software","label":"cisco ios xe sd-wan software","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"16.11 and earlier","noFixRecorded":false,"fixedIn":null}],"versionsText":"16.11 and earlier","eol":null,"hubHref":"/vendor/cisco/cisco_ios_xe_sd-wan_software"},{"vendor":"cisco","product":"ios_xe","name":"ios xe","label":"ios_xe","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 16.11","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 16.11","eol":null,"hubHref":"/vendor/cisco/ios_xe"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-cred-EVGSF259","label":"tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-cred-EVGSF259","hostname":"tools.cisco.com","tags":["X Refsource CONFIRM","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-02-19T19:55:12.864Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-11-15T17:39:14.041Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":34,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T01:22:51.458Z","stale":false,"partial":false}}