CVE-2018-0044 NFX Series: Insecure sshd configuration in Juniper Device Manager (JDM) and host OS
Remote attackers can gain unauthenticated access to Juniper NFX devices if any system password is empty due to insecure SSH configuration.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-0044?
CVE-2018-0044 is a critical authentication bypass vulnerability in Juniper Junos, published on 10 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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: 18.1 versions prior to 18.1R4 on NFX Series.
Weakness: CWE-287
Which versions are affected by CVE-2018-0044?
It affects 1 product.
Products include Juniper Junos.
How do I fix CVE-2018-0044?
No fix has been published for CVE-2018-0044 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2018-0044 being exploited?
There is no known exploitation of CVE-2018-0044 in the wild and no public exploit code.
Other vulnerabilities in Juniper Junos
- CVE-2023-36845 Juniper Junos OS EX Series and SRX Series PHP External Variable Modification
- CVE-2020-1631 Juniper Junos OS Path Traversal
- CVE-2025-21590 Juniper Junos OS Improper Isolation or Compartmentalization
- CVE-2023-36851 Juniper Junos OS SRX Series Missing Authentication for Critical Function
- CVE-2023-36844 Juniper Junos OS EX Series PHP External Variable Modification
Sources
Also known as GHSA-72j4-qp7m-qxcr.