Security Bulletin: IBM QRadar SIEM is vulnerable to an XML External Entity Injection (XXE) attack (CVE-2021-20399)

Summary

IBM QRadar SIEM is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data.

Vulnerability Details

CVEID:CVE-2021-20399
**DESCRIPTION:**IBM QRadar 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.
CVSS Base score: 7.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196073 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L)

Affected Products and Versions

IBM QRadar SIEM 7.3.0 to 7.3.3 Patch 8

IBM QRadar SIEM 7.4.0 to 7.4.3 GA

Remediation/Fixes

QRadar / QRM / QVM / QRIF / QNI 7.3.3 Patch 9

QRadar / QRM / QVM / QRIF / QNI 7.4.3 Patch 1

Workarounds and Mitigations

None