5.4

CVE-2025-3218: ibm i Improper Certificate Validation

CVSS: 5.4v3.1MediumAnalyzed
Published 07-05-2025Last modified 01-09-2025
Open JSON

Vulnerability summary

CVE-2025-3218 is a medium (CVSS 5.4) Improper Certificate Validation vulnerability in ibm i. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 16.5% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.26%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 07-05-2025
    PublishedVulnerability first disclosed.
  2. 01-09-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

+0.01 pp

From 0.25% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.26%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ibm1 product
  • i7.2 | 7.3 | 7.4 | 7.5 | 7.6

1 vendor · 1 product

References

1 links