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AUSCERT External Security Bulletin Redistribution
2018-10 Security Bulletin: NFX Series: Insecure sshd configuration in
Juniper Device Manager (JDM) and host OS (CVE-2018-0044)
11 October 2018
AusCERT Security Bulletin Summary
Product: Juniper NFX Series
Publisher: Juniper Networks
Operating System: Juniper
Impact/Access: Unauthorised Access -- Remote/Unauthenticated
CVE Names: CVE-2018-0044
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2018-10 Security Bulletin: NFX Series: Insecure sshd configuration
in Juniper Device Manager (JDM) and host OS (CVE-2018-0044)
This issue affects Junos OS 18.1 on NFX platforms.
An insecure SSHD configuration in Juniper Device Manager (JDM) and
host OS on Juniper NFX Series devices may allow remote
unauthenticated access if any of the passwords on the system are
empty. The affected SSHD configuration has the
PermitEmptyPasswords option set to "yes".
Affected releases are Juniper Networks Junos OS:
o 18.1 versions prior to 18.1R4 on NFX Series.
This issue is only exploitable when there are user or system
accounts with blank or empty passwords configured on JDM or host
Juniper SIRT is not aware of any malicious exploitation of this
This issue was found during internal product security testing or
This issue has been assigned CVE-2018-0044.
PermitEmptyPasswords option has been set to no by default in the
fixed versions of Junos OS.
The following software releases have been updated to resolve this
specific issue: 18.1R4, 18.2R1 and all subsequent releases.
This issue is being tracked as PR 1344176 which is visible on the
Customer Support website.
Note: Juniper SIRT's policy is not to evaluate releases which are
beyond End of Engineering (EOE) or End of Life (EOL).
Ensure all the accounts on the JDM and host OS are configured with
Ensure that /etc/ssh/sshd_config file on JDM and host OS have the
Software Releases, patches and updates are available at
2018-10-10: Initial publication
o KB16613: Overview of the Juniper Networks SIRT Monthly
Security Bulletin Publication Process
o KB16765: In which releases are vulnerabilities fixed?
o KB16446: Common Vulnerability Scoring System (CVSS) and
Juniper's Security Advisories
o Report a Vulnerability - How to Contact the Juniper Networks
Security Incident Response Team
Information for how Juniper Networks uses CVSS can be found at KB
16446 "Common Vulnerability Scoring System (CVSS) and Juniper's
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