CVE-2024-47498

Junos OS Evolved: QFX5000 Series: Configured MAC learning and move limits are not in effect

Description

An Unimplemented or Unsupported Feature in UI vulnerability in the CLI of Juniper Networks Junos OS Evolved on QFX5000 Series allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS). Several configuration statements meant to enforce limits on MAC learning and moves can be configured but do not take effect. This can lead to control plane overload situations which will severely impact the ability of the device to processes legitimate traffic. This issue affects Junos OS Evolved on QFX5000 Series: * All versions before 21.4R3-S8-EVO, * 22.2-EVO versions before 22.2R3-S5-EVO, * 22.4-EVO versions before 22.4R3-EVO, * 23.2-EVO versions before 23.2R2-EVO.

Remediation

Solution:

The following software releases have been updated to resolve this specific issue: 21.4R3-S8-EVO, 22.2R3-S5-EVO*, 22.4R3-EVO, 23.2R2-EVO, 23.4R1-EVO, and all subsequent releases. (* future release)

Workaround:

There are no known workarounds for this issue.

7.1

CVSS

Severity: High

CVSS 4.0 •

CVSS 3.1 •

EPSS 0.04%

Vendor Advisory juniper.net

Affected: Juniper Networks Junos OS Evolved

References

Link	Tags
https://supportportal.juniper.net/JSA88128	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-47498?: CVE-2024-47498 has been scored as a high severity vulnerability.
How to fix CVE-2024-47498?: To fix CVE-2024-47498: The following software releases have been updated to resolve this specific issue: 21.4R3-S8-EVO, 22.2R3-S5-EVO*, 22.4R3-EVO, 23.2R2-EVO, 23.4R1-EVO, and all subsequent releases. (* future release)
Is CVE-2024-47498 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-47498 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-2024-47498?: CVE-2024-47498 affects Juniper Networks Junos OS Evolved.

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