Medium severity · published Aug 13, 2025
CVE-2025-2182
PAN-OS: Firewall Clusters using the MACsec Protocol Expose the Connectivity Association Key (CAK)
5.6
CVSS
0.1%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PA
PAN-OS · Palo Alto Networks
11.2.0 before 11.2.8; 11.1.0 before 11.1.10 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-2182
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-2182
security.paloaltonetworks.com
https://security.paloaltonetworks.com/CVE-2025-2182
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