Vulnerability in Arista Networks Eos - Bgp Flowspec
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 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.
EPSS: 0.005 (39.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L.
Affected products
- Arista Networks Eos - Bgp Flowspec — versions 4.32.0F, 4.31.0M, 4.30.0M
- Arista Networks Eos - Interface Traffic Policy — versions 4.32.0F, 4.31.0M, 4.30.0M
- Arista Networks Eos-policy Based Routing (Pbr) — versions 4.32.0F, 4.31.0M, 4.30.0M
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2024-6437?
- CVE-2024-6437 is a medium-severity vulnerability in Arista Networks Eos - Bgp Flowspec, classified under CWE-1220. CVSS score: 5.8/10. Published 2025-01-10.
- How severe is CVE-2024-6437?
- Medium severity. CVSS v3 base score is 5.8 out of 10.