Home/CVE/The system console configuration option 'log-out-on-disconnect' In Juniper Networks Junos OS Evolved fails to log out an
CVE

CVE-2020-1666

The system console configuration option 'log-out-on-disconnect' In Juniper Networks Junos OS Evolved fails to log out an

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.

MEDIUM · CVSS 6.6 EPSS 0.00042
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Weakness Classification

CWE-284Improper Access Control
CWE-613Insufficient Session Expiration
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Affected Products & Versions

1
juniper junos os evolvedall versions
▣

Scoring & Timeline

6.6
MEDIUM · CVSS v3.1 · sirt@juniper.net
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Oct 2020 · 09:15 PM
CVSS VectorCVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://kb.juniper.net/JSA11063Vendor Advisory
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