CVE-2025-3218 IBM i improper certificate validation
Attackers can bypass authentication and authorization controls in IBM i Netserver to access the server via brute force or authority restriction bypass.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-3218?
CVE-2025-3218 is a medium-severity authentication bypass vulnerability in Ibm I, published on 7 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-295
Which versions are affected by CVE-2025-3218?
It affects 1 product.
Products include Ibm I.
How do I fix CVE-2025-3218?
No fix has been published for CVE-2025-3218 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-3218 being exploited?
There is no known exploitation of CVE-2025-3218 in the wild and no public exploit code.
Other vulnerabilities in Ibm I
- CVE-2026-96119 IBM i is Affected By An Improper Control of Code Generation Vulnerability in HTTP Server Administration GUI
- CVE-2026-16860 IBM i is Affected By Remote Code Execution Vulnerability []
- CVE-2026-17083 IBM i is Affected By Multiple Vulnerabilities in the Debug Server
- CVE-2026-17218 IBM i is Affected By Remote Code Execution Vulnerability in Line Printer Daemon []
- CVE-2026-17276 IBM i is Affected By Multiple Vulnerabilities in Navigator for i
Sources
Also known as GHSA-853f-c79c-j2h2.