CVE-2023-28978

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.

Remediation

Solution:

  • 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.

Workaround:

  • 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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.28%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS Evolved
Published at:
Updated at:

References

Link Tags
https://supportportal.juniper.net/JSA70603 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-28978?
CVE-2023-28978 has been scored as a medium severity vulnerability.
How to fix CVE-2023-28978?
To fix 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.
Is CVE-2023-28978 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-28978 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-28978?
CVE-2023-28978 affects Juniper Networks Junos OS Evolved.
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