CVE-2025-3456 Information disclosure in EOS
Attackers with log access can retrieve clear-text encryption keys from Arista EOS accounting logs to decrypt neighbor protocol secrets.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-3456?
CVE-2025-3456 is a low-severity vulnerability in Arista Networks EOS, published on 25 Aug 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, the global common encryption key configuration may be logged in clear text, in local or remote accounting logs. Knowledge of both the encryption key and protocol specific encrypted secrets from the device running-config could then be used to obtain protocol specific passwords in cases where symmetric passwords are required between devices with neighbor protocol relationships.
Weakness: CWE-532
Which versions are affected by CVE-2025-3456?
How do I fix CVE-2025-3456?
No fix has been published for CVE-2025-3456 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-3456 being exploited?
There is no known exploitation of CVE-2025-3456 in the wild and no public exploit code.
Sources
Also known as GHSA-qx5m-jj5c-5j9v.