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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.003 (14.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-3218: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • IBM I — versions 7.2, 7.3, 7.4

Weakness classification (CWE)

References

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.