CVE-2025-3218

IBM i improper certificate validation

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.

Remediation

Solution:

  • The issues can be fixed by applying a PTF to IBM i. IBM i releases 7.6, 7.5, 7.4, 7.3 and 7.2 will be fixed. The IBM i PTF numbers for 5770-999 contain the fixes for the vulnerability.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Vendor Advisory ibm.com
Affected: IBM i
Published at:
Updated at:

References

Link Tags
https://www.ibm.com/support/pages/node/7232750 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2025-3218?
CVE-2025-3218 has been scored as a medium severity vulnerability.
How to fix CVE-2025-3218?
To fix CVE-2025-3218: The issues can be fixed by applying a PTF to IBM i. IBM i releases 7.6, 7.5, 7.4, 7.3 and 7.2 will be fixed. The IBM i PTF numbers for 5770-999 contain the fixes for the vulnerability.
Is CVE-2025-3218 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-3218 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-3218?
CVE-2025-3218 affects IBM i.
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