IBM QRadar SIEM 7.3 and 7.4 may vulnerable to a 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 X-Force ID: 193245.
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesLow
User InteractionNone
Threat
Exploit MaturityUnreported
Vulnerable System
ConfidentialityHigh
IntegrityNone
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | nvd | VA: L→H | 2.3 → 2.4 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 2.3 |
Affected Software
| Vendor | Product | Version |
|---|
| IBM | QRadar SIEM | 7.3 |
| IBM | QRadar SIEM | 7.4 |
| ibm | qradar_security_information_and_event_manager | ≥ 7.3.0, < 7.3.3 |
| ibm | qradar_security_information_and_event_manager | ≥ 7.4.0, < 7.4.2 |
| ibm | qradar_security_information_and_event_manager | 7.3.3 |
| ibm | qradar_security_information_and_event_manager | 7.4.2 |
Published: 2021-05-05