CVE-2025-2182CWE-312

PAN-OS: Firewall Clusters using the MACsec Protocol Expose the Connectivity Association Key (CAK)

Medium · published August 13, 2025

CVSS v4.0
5.6
EPSS
0%
Percentile
1.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.6 · MEDIUM
Vector
CVSS:4.0/AV:P/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/AU:N/R:A/V:D/RE:M/U:Amber
EPSS
0.00117 · 1.6th percentile
Weakness
CWE-312 · Cleartext Storage of Sensitive Information
Published
2025-08-13T17:03Z
EPSS history
Timeline
  • 13 AUG 17:03Z
    PAN-OS: Firewall Clusters using the MACsec Protocol Expose the Connectivity Association Key (CAK)
    cvelistv5