{"id":"CVE-2020-1666","aliases":["EUVD-2020-12528","GHSA-62gf-43c6-cfmp"],"status":"published","title":"Junos OS Evolved: 'console log-out-on-disconnect' fails to terminate session on console cable disconnection","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.","severity":{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00328,"percentile":0.26143,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284","CWE-613"],"published":"2020-10-16T20:31:28Z","modified":"2026-06-17T03:02:09Z","products":[{"vendor":"juniper","product":"junos_os_evolved"},{"vendor":"juniper networks","product":"junos os evolved"}],"references":[{"url":"https://kb.juniper.net/JSA11063","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1666"},{"url":"https://github.com/advisories/GHSA-62gf-43c6-cfmp"}],"sources":{"cve":[{"id":"CVE-2020-1666","title":"Junos OS Evolved: 'console log-out-on-disconnect' fails to terminate session on console cable disconnection","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.","status":"published","published":"2020-10-16T20:31:28.221Z","modified":"2024-09-16T23:41:44.097Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:35:56.638833Z"}],"euvd":[{"id":"EUVD-2020-12528","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.","status":"published","published":"2020-10-16T20:31:28Z","modified":"2024-09-16T23:41:44Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-03T00:54:47.592767Z"}],"ghsa":[{"id":"GHSA-62gf-43c6-cfmp","title":"The system console configuration option 'log-out-on-disconnect' In Juniper Networks Junos OS...","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.","status":"published","published":"2022-05-24T17:30:51Z","modified":"2023-01-29T05:04:08Z","cwes":["CWE-613"],"updated_at":"2026-11-02T14:45:28.958037Z"}],"nvd":[{"id":"CVE-2020-1666","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.","status":"published","published":"2020-10-16T21:15:12.677Z","modified":"2026-06-17T03:02:09.35Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-284","CWE-613"],"updated_at":"2026-11-02T14:06:19.351389Z"}]}}