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;
21.1-EVO versions prior to 21.1R3-S4-EVO;
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;
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.
Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
This issue was seen during production usage.
This issue has been assigned CVE-2023-28978.
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.
This issue is being tracked as 1687838
Note: Juniper SIRT's policy is not to evaluate releases which are beyond End of Engineering (EOE) or End of Life (EOL).
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.
2023-04-12: Initial Publication.