CVE-2024-9448 Security feature bypass in EOS
Attackers can bypass Traffic Policy drop rules on Arista EOS by sending untagged packets, causing unintended packet forwarding to unexpected destinations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-9448?
CVE-2024-9448 is a high-severity vulnerability in Arista Networks EOS, published on 8 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-1284
Which versions are affected by CVE-2024-9448?
How do I fix CVE-2024-9448?
No fix has been published for CVE-2024-9448 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-9448 being exploited?
There is no known exploitation of CVE-2024-9448 in the wild and no public exploit code.
Sources
Also known as GHSA-vjv2-pp4x-76x9.