CVE-2025-2182 PAN-OS: Firewall Clusters using the MACsec Protocol Expose the Connectivity Association Key (CAK)
Attackers with the exposed key can read inter-device traffic in clustered PA-7500 firewalls using MACsec.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-2182?
CVE-2025-2182 is a medium-severity vulnerability in Palo Alto Networks Cloud NGFW, published on 13 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A problem with the implementation of the MACsec protocol in Palo Alto Networks PAN-OS® results in the cleartext exposure of the connectivity association key (CAK). This issue is only applicable to PA-7500 Series devices which are in an NGFW cluster. A user who possesses this key can read messages being sent between devices in a NGFW Cluster. There is no impact in non-clustered firewalls or clusters of firewalls that do not enable MACsec.
Weakness: CWE-312
Which versions are affected by CVE-2025-2182?
How do I fix CVE-2025-2182?
No fix has been published for CVE-2025-2182 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-2182 being exploited?
There is no known exploitation of CVE-2025-2182 in the wild and no public exploit code.
Sources
Also known as GHSA-75rp-wjf6-546r.