Palo Alto Cloud NGFW/PAN-OS/Prisma Access MACsec Protocol cleartext storage

Summaryinfo

A vulnerability labeled as problematic has been found in Palo Alto Cloud NGFW, PAN-OS and Prisma Access. This issue affects some unknown processing of the component MACsec Protocol Handler. Such manipulation leads to cleartext storage. This vulnerability is traded as CVE-2025-2182. The attack can be executed directly on the physical device. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Palo Alto Cloud NGFW, PAN-OS and Prisma Access (the affected version unknown). It has been rated as problematic. Affected by this issue is an unknown part of the component MACsec Protocol Handler. The manipulation with an unknown input leads to a cleartext storage vulnerability. Using CWE to declare the problem leads to CWE-312. The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. Impacted is confidentiality. CVE summarizes:

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 advisory is available at security.paloaltonetworks.com. This vulnerability is handled as CVE-2025-2182 since 03/10/2025. The exploitation is known to be easy. Local access is required to approach this attack. Additional levels of successful authentication are needed for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1555 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-1820). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

• Palo Alto Networks PAN-OS

Productinfo

Type

• Firewall Software

Vendor

• Palo Alto

Name

• Cloud NGFW
• PAN-OS
• Prisma Access

License

• commercial

Website

• Vendor: https://www.paloaltonetworks.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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