CVE-2024-47495

Junos OS Evolved: In a dual-RE scenario a locally authenticated attacker with shell privileges can take over the device.

Description

An Authorization Bypass Through User-Controlled Key vulnerability allows a locally authenticated attacker with shell access to gain full control of the device when Dual Routing Engines (REs) are in use on Juniper Networks Junos OS Evolved devices. This issue affects: Juniper Networks Junos OS Evolved with dual-REs: * All versions before 21.2R3-S8-EVO, * from 21.4-EVO before 21.4R3-S8-EVO, * from 22.2-EVO before 22.2R3-S4-EVO, * from 22.3-EVO before 22.3R3-S4-EVO, * from 22.4-EVO before 22.4R3-S3-EVO, * from 23.2-EVO before 23.2R2-S1-EVO, * from 23.4-EVO before 23.4R2-S1-EVO. This issue does not affect Juniper Networks Junos OS.

Remediation

Solution:

  • The following software releases have been updated to resolve this specific issue: Junos OS Evolved: 21.2R3-S8-EVO, 21.4R3-S8-EVO, 22.2R3-S4-EVO, 22.3R3-S4-EVO, 22.4R3-S3-EVO, 23.2R2-S1-EVO, 23.4R2-S1-EVO, 24.2R1-EVO and all subsequent releases.

Workaround:

  • There are no known workarounds for this issue. To reduce the risk of exploitation, limit access to the device only from trusted administrative networks, users and hosts.

Category

8.4
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.03%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS Evolved
Published at:
Updated at:

References

Link Tags
https://kb.juniper.net/JSA88122 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-47495?
CVE-2024-47495 has been scored as a high severity vulnerability.
How to fix CVE-2024-47495?
To fix CVE-2024-47495: The following software releases have been updated to resolve this specific issue: Junos OS Evolved: 21.2R3-S8-EVO, 21.4R3-S8-EVO, 22.2R3-S4-EVO, 22.3R3-S4-EVO, 22.4R3-S3-EVO, 23.2R2-S1-EVO, 23.4R2-S1-EVO, 24.2R1-EVO and all subsequent releases.
Is CVE-2024-47495 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-47495 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-2024-47495?
CVE-2024-47495 affects Juniper Networks Junos OS Evolved.
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