{"schemaVersion":3,"id":"CVE-2020-1666","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The system console configuration option 'log-out-on-disconnect' In Juniper Networks Junos OS Evolved fails to log out an active CLI session when the console cable is disconnected. This could allow a malicious attacker with physical access to the console the ability to resume a previous interactive session and possibly gain administrative privileges. This issue affects all Juniper Networks Junos OS Evolved versions after 18.4R1-EVO, prior to 20.2R1-EVO.","dates":{"published":"2020-10-16T20:31:28.221Z","modified":"2024-09-16T23:41:44.097Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.2,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6.6,"severity":"medium","vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.6,"severity":"medium","vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/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":0.00328,"percentile":0.24596,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.00328},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00328,"percentile":0.24596}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00328,"percentile":null},{"date":"2026-10-08T00: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20.2R1-EVO","eol":null,"hubHref":"/vendor/juniper_networks/junos_os_evolved"},{"vendor":"juniper","product":"junos_os_evolved","name":"junos os evolved","label":"junos_os_evolved","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"19.2:r1","noFixRecorded":false,"fixedIn":null},{"text":"19.2:r2","noFixRecorded":false,"fixedIn":null},{"text":"19.3:r2","noFixRecorded":false,"fixedIn":null},{"text":"19.4:r1","noFixRecorded":false,"fixedIn":null},{"text":"19.4:r2","noFixRecorded":false,"fixedIn":null},{"text":"19.4:r2-s1","noFixRecorded":false,"fixedIn":null},{"text":"20.1:r1","noFixRecorded":false,"fixedIn":null}],"versionsText":"19.2:r1 | 19.2:r2 | 19.3:r2 | 19.4:r1 | 19.4:r2 | 19.4:r2-s1 | 20.1:r1","eol":null,"hubHref":"/vendor/juniper/junos_os_evolved"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://kb.juniper.net/JSA11063","label":"kb.juniper.net/JSA11063","hostname":"kb.juniper.net","tags":["X Refsource CONFIRM","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-10-16T20:31:28.221Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-16T23:41:44.097Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":29,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T08:22:13.532Z","stale":false,"partial":false}}