CVE-2025-0136: PAN-OS: Unencrypted Data Transfer when using AES-128-CCM on Intel-based hardware devices
Description
Using the AES-128-CCM algorithm for IPSec on certain Palo Alto Networks PAN-OS® firewalls (PA-7500, PA-5400, PA-5400f, PA-3400, PA-1600, PA-1400, and PA-400 Series) leads to unencrypted data transfer to devices that are connected to the PAN-OS firewall through IPSec.
This issue does not affect Cloud NGFWs, Prisma® Access instances, or PAN-OS VM-Series firewalls.
NOTE: The AES-128-CCM encryption algorithm is not recommended for use.
Classification
CVE ID: CVE-2025-0136
CVSS Base Severity: MEDIUM
CVSS Base Score: 5.3
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/AU:N/R:U/V:C/RE:M/U:Amber
Problem Types
CWE-319 Cleartext Transmission of Sensitive InformationAffected Products
Vendor: Palo Alto Networks
Product: Cloud NGFW, PAN-OS, Prisma Access
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.01% (probability of being exploited)
EPSS Percentile: 1.08% (scored less or equal to compared to others)
EPSS Date: 2025-06-12 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2025-0136https://security.paloaltonetworks.com/CVE-2025-0136