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Vulnerability DatabaseCVE-2021-20399
CVE-2021-20399:
IBM QRadar SIEM vulnerability analysis and mitigation
Overview
IBM Qradar SIEM versions 7.3.0 to 7.3.3 Patch 8 and 7.4.0 to 7.4.3 GA were found to be vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. The vulnerability was assigned CVE-2021-20399 and was disclosed in July 2021 (NVD, IBM Support).
Technical details
The vulnerability is classified as an XML External Entity (XXE) Injection attack (CWE-611). It received a CVSS v3.1 base score of 9.1 CRITICAL from NVD with vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H, while IBM Corporation assigned it a CVSS score of 7.1 HIGH with vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L (NVD).
Impact
A successful exploitation of this vulnerability could allow a remote attacker to expose sensitive information or consume memory resources on the affected system (IBM Support).
Mitigation and workarounds
IBM has released patches to address this vulnerability: QRadar/QRM/QVM/QRIF/QNI 7.3.3 Patch 9 and QRadar/QRM/QVM/QRIF/QNI 7.4.3 Patch 1. No workarounds are available for this vulnerability (IBM Support).
Additional resources
Source: This report was generated using AI
Related IBM QRadar SIEM vulnerabilities:
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