CVE-2024-39546

Junos OS Evolved: Local low-privilege user can gain root permissions leading to privilege escalation

Description

A Missing Authorization vulnerability in the Socket Intercept (SI) command file interface of Juniper Networks Junos OS Evolved allows an authenticated, low-privilege local attacker to modify certain files, allowing the attacker to cause any command to execute with root privileges leading to privilege escalation ultimately compromising the system.  This issue affects Junos OS Evolved:  * All versions prior to 21.2R3-S8-EVO,  * 21.4 versions prior to  21.4R3-S6-EVO,  * 22.1 versions prior to 22.1R3-S5-EVO,  * 22.2 versions prior to 22.2R3-S3-EVO,  * 22.3 versions prior to 22.3R3-S3-EVO,  * 22.4 versions prior to 22.4R3-EVO,  * 23.2 versions prior to 23.2R2-EVO.

Remediation

Solution:

  • The following software releases have been updated to resolve this specific issue: Junos OS Evolved: 21.4R3-S6-EVO, 22.1R3-S5-EVO, 22.2R3-S3-EVO, 22.4R3-EVO, 23.2R2-EVO, 23.4R1-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 0.02%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS Evolved
Published at:
Updated at:

References

Link Tags
https://supportportal.juniper.net/JSA83008 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-39546?
CVE-2024-39546 has been scored as a high severity vulnerability.
How to fix CVE-2024-39546?
To fix CVE-2024-39546: The following software releases have been updated to resolve this specific issue: Junos OS Evolved: 21.4R3-S6-EVO, 22.1R3-S5-EVO, 22.2R3-S3-EVO, 22.4R3-EVO, 23.2R2-EVO, 23.4R1-EVO, and all subsequent releases.
Is CVE-2024-39546 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-39546 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-2024-39546?
CVE-2024-39546 affects Juniper Networks Junos OS Evolved.
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