CVE-2025-33121 IBM QRadar SIEM XML external entity injection

High 7.1 Published Updated

Remote attackers can exploit XML external entity injection in IBM QRadar SIEM to expose sensitive information or consume memory resources.

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-2025-33121?

CVE-2025-33121 is a high-severity vulnerability in Ibm Qradar Security Information and Event Manager, published on 19 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM QRadar SIEM 7.5 through 7.5.0 Update Package 12 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.

Weakness: CWE-611

Which versions are affected by CVE-2025-33121?

It affects 1 product.

Products include Ibm Qradar Security Information and Event Manager.

How do I fix CVE-2025-33121?

No fix has been published for CVE-2025-33121 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-33121 being exploited?

There is no known exploitation of CVE-2025-33121 in the wild and no public exploit code.

All Ibm Qradar Security Information and Event Manager vulnerabilities

Sources

Also known as GHSA-wv75-vg2r-ppj6.

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