Vulnerability in IBM I
CVE-2025-3218
IBM i 7.2, 7.3, 7.4, 7.5, and 7.6 is vulnerable to authentication and authorization attacks due to incorrect validation processing in IBM i Netserver. A malicious actor could use the weaknesses, in conjunction with brute force authentication attacks or to bypass authority restrictions, to access the server.
Vulnerability class: Improper Certificate Validation
EPSS: 0.002 (15.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Ibm I — versions 7.2, 7.3, 7.4
Weakness classification (CWE)
References
- psirt@us.ibm.com (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-3218?
- CVE-2025-3218 is a medium-severity vulnerability in IBM I, classified under Improper Certificate Validation. CVSS score: 5.4/10. Published 2025-05-07.
- How severe is CVE-2025-3218?
- Medium severity. CVSS v3 base score is 5.4 out of 10.