CVE-2024-6437 - CVE House
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Status published Medium CVE-2024-6437

On affected platforms running Arista EOS with one of the following features configured to redirect IP traffic to a next hop: policy-based routing (PBR), BGP Flowspec, or interface traffic policy -- certain IP traffic such as IPv4 packets with IP options ma

Vulnerability Description

On affected platforms running Arista EOS with one of the following features configured to redirect IP traffic to a next hop: policy-based routing (PBR), BGP Flowspec, or interface traffic policy -- certain IP traffic such as IPv4 packets with IP options may bypass the feature's set nexthop action and be slow-path forwarded (FIB routed) by the kernel as the packets are trapped to the CPU instead of following the redirect action's destination.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Arista Networks

View all reports →

Affected Software

EOS-Policy Based Routing (PBR), EOS - BGP Flowspec, EOS - Interface Traffic Policy
Vulnerable Versions:
4.32.0F, 4.31.0M, 4.30.0M, 4.29.0M, 4.28.0M, 4.27.0M, 4.26.0M, 4.25.0M, 4.24.0M, 4.23.0M, 4.22.0M, 4.21.0M, 4.21.3F, 4.27.2F

Timeline

Official Publish: January 10th, 2025
Last Modified: January 10th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.