CVE-2020-1666: Junos OS Evolved: 'console log-out-on-disconnect' fails to terminate session on console cable disconnection
First published: Wed Oct 14 2020(Updated: )
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.
Credit: sirt@juniper.net
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Juniper Junos Os Evolved | =19.2-r1 | |
| Juniper Junos Os Evolved | =19.2-r2 | |
| Juniper Junos Os Evolved | =19.3-r2 | |
| Juniper Junos Os Evolved | =19.4-r1 | |
| Juniper Junos Os Evolved | =19.4-r2 | |
| Juniper Junos Os Evolved | =19.4-r2-s1 | |
| Juniper Junos Os Evolved | =20.1-r1 |
Remedy
The following software releases have been updated to resolve this specific issue: Junos OS Evolved 20.2R1-EVO and all subsequent releases.
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Reference Links
- collector/nvd-index
- agent/weakness
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/remedy
- agent/last-modified-date
- agent/title
- agent/author
- agent/severity
- agent/tags
- agent/description
- agent/event
- agent/first-publish-date
- vendor/juniper
- canonical/juniper junos os evolved
- version/juniper junos os evolved/19.2-r1
- version/juniper junos os evolved/19.2-r2
- version/juniper junos os evolved/19.3-r2
- version/juniper junos os evolved/19.4-r1
- version/juniper junos os evolved/19.4-r2
- version/juniper junos os evolved/19.4-r2-s1
- version/juniper junos os evolved/20.1-r1