CVE-2024-39512

Junos OS Evolved: User is not logged out when the console cable is disconnected

Description

An Improper Physical Access Control vulnerability in the console port control of Juniper Networks Junos OS Evolved allows an attacker with physical access to the device to get access to a user account. When the console cable is disconnected, the logged in user is not logged out. This allows a malicious attacker with physical access to the console to resume a previous session and possibly gain administrative privileges. This issue affects Junos OS Evolved: * from 23.2R2-EVO before 23.2R2-S1-EVO,  * from 23.4R1-EVO before 23.4R2-EVO.

Remediation

Solution:

  • The following software releases have been updated to resolve this specific issue: 23.2R2-S1-EVO, 23.4R2-EVO, 24.2R1-EVO, and all subsequent releases.

Workaround:

  • There are no known workarounds for this issue.

Category

7.0
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.04%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS Evolved
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2024-39512?
CVE-2024-39512 has been scored as a high severity vulnerability.
How to fix CVE-2024-39512?
To fix CVE-2024-39512: The following software releases have been updated to resolve this specific issue: 23.2R2-S1-EVO, 23.4R2-EVO, 24.2R1-EVO, and all subsequent releases.
Is CVE-2024-39512 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-39512 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-2024-39512?
CVE-2024-39512 affects Juniper Networks Junos OS Evolved.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.