What is the severity of CVE-2025-3218?

CVE-2025-3218 is classified as a significant vulnerability due to the potential for unauthorized access and privilege escalation.

How do I fix CVE-2025-3218?

To fix CVE-2025-3218, apply the latest security patch from IBM for your version of IBM i.

What versions of IBM i are affected by CVE-2025-3218?

CVE-2025-3218 affects IBM i versions 7.2, 7.3, 7.4, 7.5, and 7.6.

What kind of attacks does CVE-2025-3218 enable?

CVE-2025-3218 enables authentication and authorization attacks, including brute force attempts and authority bypass.

Is there a workaround for CVE-2025-3218 if I cannot apply the patch immediately?

There are no specific workarounds recommended for CVE-2025-3218, so applying the patch is strongly advised.

Vulnerability/
CVE-2025-3218

medium

5.4

CWE

295

6/5/2025

7/5/2025

CVE-2025-3218: IBM i improper certificate validation

First published: Tue May 06 2025(Updated: )

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.

Credit: psirt@us.ibm.com

Affected Software	Affected Version	How to fix
IBM i	>=7.2<=7.6
IBM iSeries AS/400	<=7.6
IBM iSeries AS/400	<=7.5
IBM iSeries AS/400	<=7.4
IBM iSeries AS/400	<=7.3
IBM iSeries AS/400	<=7.2

Remedy

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.

Never miss a vulnerability like this again

Reference Links

https://www.ibm.com/support/pages/node/7232750 (Advisory)

Parent vulnerabilities

(Appears in the following advisories)

IBM-7232750

Frequently Asked Questions

What is the severity of CVE-2025-3218?
CVE-2025-3218 is classified as a significant vulnerability due to the potential for unauthorized access and privilege escalation.
How do I fix CVE-2025-3218?
To fix CVE-2025-3218, apply the latest security patch from IBM for your version of IBM i.
What versions of IBM i are affected by CVE-2025-3218?
CVE-2025-3218 affects IBM i versions 7.2, 7.3, 7.4, 7.5, and 7.6.
What kind of attacks does CVE-2025-3218 enable?
CVE-2025-3218 enables authentication and authorization attacks, including brute force attempts and authority bypass.
Is there a workaround for CVE-2025-3218 if I cannot apply the patch immediately?
There are no specific workarounds recommended for CVE-2025-3218, so applying the patch is strongly advised.

collector/mitre-cve
source/MITRE
agent/weakness
agent/remedy
agent/title
agent/type
agent/references
agent/guess-ai
agent/software-canonical-lookup
collector/ibm-support
source/IBM
agent/softwarecombine
agent/description
agent/first-publish-date
collector/nvd-api
source/NVD
agent/source
agent/last-modified-date
agent/author
agent/severity
agent/tags
agent/event
vendor/ibm
canonical/ibm i
canonical/ibm iseries as/400
version/ibm iseries as/400/7.6
version/ibm iseries as/400/7.5
version/ibm iseries as/400/7.4
version/ibm iseries as/400/7.3
version/ibm iseries as/400/7.2

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.