CVE-2025-3221 IBM InfoSphere Information Server denial of service

High 7.5 Published Updated

A remote attacker can cause a denial of service in IBM InfoSphere Information Server due to insufficient validation of incoming request resources.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-3221?

CVE-2025-3221 is a high-severity denial of service vulnerability in Ibm Infosphere Information Server, published on 21 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM InfoSphere Information Server 11.7.0.0 through 11.7.1.6 could allow a remote attacker to cause a denial of service due to insufficient validation of incoming request resources.

Weakness: CWE-770

Which versions are affected by CVE-2025-3221?

It affects 1 product.

Products include Ibm Infosphere Information Server.

How do I fix CVE-2025-3221?

No fix has been published for CVE-2025-3221 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-3221 being exploited?

There is no known exploitation of CVE-2025-3221 in the wild and no public exploit code.

All Ibm Infosphere Information Server vulnerabilities

Sources

Also known as GHSA-g5m3-wp9h-rphv.

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