Vulnerability in Arista Networks Eos

CVE-2024-9448

On affected platforms running Arista EOS with Traffic Policies configured the vulnerability will cause received untagged packets not to hit Traffic Policy rules that they are expected to hit. If the rule was to drop the packet, the packet will not be dropped and instead will be forwarded as if the rule was not in place. This could lead to packets being delivered to unexpected destinations.

EPSS: 0.005 (39.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-9448?
CVE-2024-9448 is a high-severity vulnerability in Arista Networks Eos, classified under Improper Validation of Specified Quantity in Input. CVSS score: 7.5/10. Published 2025-05-08.
How severe is CVE-2024-9448?
High severity. CVSS v3 base score is 7.5 out of 10.