CVE-2024-8000 Security feature bypass in EOS
Incomplete ACL installation after restart allows bypassing 802.1X security controls on Arista EOS devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-8000?
CVE-2024-8000 is a medium-severity vulnerability in Arista Networks EOS, published on 4 Mar 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
On affected platforms running Arista EOS with 802.1X configured, certain conditions may occur where a dynamic ACL is received from the AAA server resulting in only the first line of the ACL being installed after an Accelerated Software Upgrade (ASU) restart.
Note: supplicants with pending captive-portal authentication during ASU would be impacted with this bug.
Weakness: CWE-1284
Which versions are affected by CVE-2024-8000?
How do I fix CVE-2024-8000?
No fix has been published for CVE-2024-8000 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-8000 being exploited?
There is no known exploitation of CVE-2024-8000 in the wild and no public exploit code.
Sources
Also known as GHSA-8fjr-734h-7jj5.