IBM QRadar SIEM 7.5 XXE Vulnerability in XML Parser
CVE-2025-33121 Published on June 19, 2025
IBM QRadar SIEM XML external entity injection
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.
Vulnerability Analysis
CVE-2025-33121 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity, and a small impact on availability.
Weakness Type
What is a XXE Vulnerability?
The software processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
CVE-2025-33121 has been classified to as a XXE vulnerability or weakness.
Products Associated with CVE-2025-33121
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Affected Versions
IBM QRadar SIEM:- Version 7.5, <= 7.5.0 Update Pack 12 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.