CVE-2025-2182

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

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.

Remediation

Solution:

  • Version Minor Version Suggested Solution Cloud NGFW No action needed. PAN-OS 11.2 on PA-7500 11.2.0 through 11.2.7 Upgrade to 11.2.8 or later. PAN-OS 11.1 on PA-7500 11.1.0 through 11.1.9 Upgrade to 11.1.10 or later. PAN-OS 10.2 on PA-7500 No action needed.PAN-OS 10.1 on PA-7500 No action needed.PAN-OS on devices other than PA-7500 No action needed.All older unsupported PAN-OS versions Upgrade to a supported fixed version.Prisma Access No action needed.

Workaround:

  • No known workarounds exist for this issue.

Category

5.6
CVSS
Severity: Medium
CVSS 4.0 •
EPSS 0.01%
Vendor Advisory paloaltonetworks.com
Affected: Palo Alto Networks Cloud NGFW
Affected: Palo Alto Networks PAN-OS
Affected: Palo Alto Networks PAN-OS
Affected: Palo Alto Networks Prisma Access
Published at:
Updated at:

References

Link Tags
https://security.paloaltonetworks.com/CVE-2025-2182 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2025-2182?
CVE-2025-2182 has been scored as a medium severity vulnerability.
How to fix CVE-2025-2182?
To fix CVE-2025-2182: Version Minor Version Suggested Solution Cloud NGFW No action needed. PAN-OS 11.2 on PA-7500 11.2.0 through 11.2.7 Upgrade to 11.2.8 or later. PAN-OS 11.1 on PA-7500 11.1.0 through 11.1.9 Upgrade to 11.1.10 or later. PAN-OS 10.2 on PA-7500 No action needed.PAN-OS 10.1 on PA-7500 No action needed.PAN-OS on devices other than PA-7500 No action needed.All older unsupported PAN-OS versions Upgrade to a supported fixed version.Prisma Access No action needed.
Is CVE-2025-2182 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-2182 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-2182?
CVE-2025-2182 affects Palo Alto Networks Cloud NGFW, Palo Alto Networks PAN-OS, Palo Alto Networks PAN-OS, Palo Alto Networks Prisma Access.
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