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

Published Jun 19, 2025
·
Updated

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.

Other sources

IBM QRadar SIEM 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.

— IBM

Affected Software

15 affected components
IBM QRadar SIEM<=7.5 - 7.5.0 UP12 IF01
All of the following
Any of the following
IBM QRadar Security Information and Event Manager=7.5.0
IBM QRadar Security Information and Event Manager=7.5.0-update_pack_1
IBM QRadar Security Information and Event Manager=7.5.0-update_pack_10
IBM QRadar Security Information and Event Manager=7.5.0-update_pack_11
IBM QRadar Security Information and Event Manager=7.5.0-update_pack_12
IBM QRadar Security Information and Event Manager=7.5.0-update_pack_2
IBM QRadar Security Information and Event Manager=7.5.0-update_pack_3
IBM QRadar Security Information and Event Manager=7.5.0-update_pack_4
IBM QRadar Security Information and Event Manager=7.5.0-update_pack_5
IBM QRadar Security Information and Event Manager=7.5.0-update_pack_6
IBM QRadar Security Information and Event Manager=7.5.0-update_pack_7
IBM QRadar Security Information and Event Manager=7.5.0-update_pack_8
IBM QRadar Security Information and Event Manager=7.5.0-update_pack_9
Linux Linux kernel

Remediation

Information

IBM encourages customers to update their systems promptly. IBM QRadar SIEM   7.5.0 QRadar 7.5.0 UP12 IF02

Event History

Jun 19, 2025
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
CVE Published
via MITRE·05:14 PM
Data Sourced
via MITRE·05:14 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2025-33121?

CVE-2025-33121 has a high severity due to its potential for XML external entity injection that can lead to data exposure or resource exhaustion.

2

How do I fix CVE-2025-33121?

To fix CVE-2025-33121, apply the latest security updates provided by IBM for QRadar SIEM.

3

What is the impact of CVE-2025-33121?

Exploitation of CVE-2025-33121 could allow a remote attacker to access sensitive data or cause significant memory resource consumption.

4

Is CVE-2025-33121 present in all versions of IBM QRadar SIEM?

CVE-2025-33121 specifically affects IBM QRadar SIEM versions 7.5 through 7.5.0 Update Package 12.

5

Can CVE-2025-33121 be exploited remotely?

Yes, CVE-2025-33121 can be exploited remotely by an attacker who sends malicious XML data.

Company

Resources

Contact

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