title: Junos Space: Insufficient verification of cluster messages
description: Lack of authentication and authorization of cluster messages in Juniper Networks Junos Space may allow a man-in-the-middle type of attacker to intercept, inject or disrupt Junos Space cluster operations between two nodes. Affected releases are Juniper Networks Junos Space all versions prior to 17.1R1.
problem types: insufficient verification
affected:
{
product: Junos Space
vendor: Juniper Networks
versions:
status: affected, version: versions prior to 17.1R1
}
metrics:
cvssV3_0: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.1
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
version: 3.0
]
workarounds: There are no viable workarounds for this issue.
It is good security practice to limit the exploitable attack surface of critical infrastructure networking equipment. Use access lists or firewall filters to limit access to the device from trusted, administrative networks or hosts.