title: Junos OS Evolved: Read access to some confidential user information is possible
description: An Insecure Default Initialization of Resource vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network based attacker to read certain confidential information. In the default configuration it is possible to read confidential information about locally configured (administrative) users of the affected system. This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R3-S7-EVO on pending commit???; 21.1-EVO versions prior to 21.1R3-S4-EVO on awaiting build; 21.4-EVO versions prior to 21.4R3-S1-EVO; 22.2-EVO versions prior to 22.2R3-EVO; 21.2-EVO versions prior to 21.2R3-S5-EVO on pending commit???; 21.3-EVO version 21.3R1-EVO and later versions; 22.1-EVO version 22.1R1-EVO and later versions; 22.2-EVO versions prior to 22.2R2-S1-EVO.
problem types: CWE-1188 Insecure Default Initialization of Resource
affected:
{
vendor: Juniper Networks
product: Junos OS Evolved
versions:
version: 21.3R1-EVO, status: affected, lessThan: 21.3-EVO*, versionType: custom
version: 21.4-EVO, status: affected, lessThan: 21.4R3-S1-EVO, versionType: custom
version: 22.1R1-EVO, status: affected, lessThan: 22.1-EVO*, versionType: custom
version: 22.2-EVO, status: affected, lessThan: 22.2R2-S1-EVO, versionType: custom
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: NONE
availabilityImpact: NONE
baseScore: 5.3
baseSeverity: MEDIUM
]
exploits: Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
solutions: The following software releases have been updated to resolve this specific issue: 20.4R3-S7-EVO, 21.1R3-S4-EVO, 21.2R3-S5-EVO, 21.4R3-S1-EVO, 22.2R2-EVO, 22.3R1-EVO, and all subsequent releases.
workarounds: There are no known workarounds for this issue.
To reduce the risk of exploitation use access lists or firewall filters to limit access to the device only from trusted, administrative networks or hosts.