XML External Entity Injection Vulnerability in IBM QRadar SIEM
CVE-2025-33121

7.1HIGH

Key Information:

Vendor

IBM
Status
Qradar Siem
Vendor
CVE Published:
19 June 2025

What is CVE-2025-33121?

IBM QRadar SIEM versions 7.5 through 7.5.0 Update Package 12 are susceptible to an XML external entity injection (XXE) vulnerability when handling XML data. This vulnerability allows a remote attacker to exploit the system, potentially leading to the disclosure of sensitive information or excessive consumption of system memory resources. Organizations using these affected versions of QRadar SIEM should prioritize patching and applying security measures to mitigate the risks associated with this vulnerability.

Affected Version(s)

QRadar SIEM 7.5 <= 7.5.0 Update Pack 12

References

https://www.ibm.com/support/pages/node/7237317
vendor-advisory

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

John Zuccato, Rodney Ryan, Chris Shepherd, Vince Dragnea, Ben Goodspeed, Dawid Bak
.
CVE-2025-33121 : XML External Entity Injection Vulnerability in IBM QRadar SIEM