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Critical severity9.1NVD Advisory· Published Jul 27, 2021· Updated Jun 17, 2026

CVE-2021-20399

CVE-2021-20399

Description

IBM Qradar SIEM 7.3.0 to 7.3.3 Patch 8 and 7.4.0 to 7.4.3 GA 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 X-Force ID: 196073.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

16
  • IBM/Qradar Security Information And Event Manager14 versions
    cpe:2.3:a:ibm:qradar_security_information_and_event_manager:*:*:*:*:*:*:*:*+ 13 more
    • cpe:2.3:a:ibm:qradar_security_information_and_event_manager:*:*:*:*:*:*:*:*range: >=7.3.0,<7.3.3
    • cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:-:*:*:*:*:*:*
    • cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p1:*:*:*:*:*:*
    • cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p2:*:*:*:*:*:*
    • cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p3:*:*:*:*:*:*
    • cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p4:*:*:*:*:*:*
    • cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p5:*:*:*:*:*:*
    • cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p6:*:*:*:*:*:*
    • cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p7:*:*:*:*:*:*
    • cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p8:*:*:*:*:*:*
    • cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.4.3:-:*:*:*:*:*:*
    • cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.4.3:fix_pack_1:*:*:*:*:*:*
    • cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.4.3:fix_pack_2:*:*:*:*:*:*
    • cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.4.3:fix_pack_3:*:*:*:*:*:*
  • IBM/QRadar SIEMllm-fuzzy2 versions
    7.3.0 to 7.3.3 Patch 8 and 7.4.0 to 7.4.3 GA+ 1 more
    • (no CPE)range: 7.3.0 to 7.3.3 Patch 8 and 7.4.0 to 7.4.3 GA
    • (no CPE)range: 7.3.0

Patches

Vulnerability mechanics

References

2

News mentions

0

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