Security Bulletin: IBM QRadar SIEM is vulnerable to using weaker than expected cryptographic algorithms (CVE-2021-20400)

Summary

IBM QRadar SIEM is vulnerable to using weaker than expected cryptographic algorithms

Vulnerability Details

CVEID:CVE-2021-20400
**DESCRIPTION:**IBM QRadar uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196074 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

IBM QRadar SIEM 7.3.0 to 7.3.3 Fix Pack 9

IBM QRadar SIEM 7.4.0 to 7.4.3 Fix Pack 2

Remediation/Fixes

QRadar / QRM / QVM / QRIF / QNI 7.3.3 Fix Pack 10

QRadar / QRM / QVM / QRIF / QNI 7.4.3 Fix Pack 3

QRadar / QRM / QVM / QRIF / QNI 7.4.3 Fix Pack 4

Note: Version 7.4.3 Fix Pack 3 is only available to QRadar on Cloud users. QRadar 7.4.3 Fix Pack 3 was removed for on-premise QRadar SIEM users.

Workarounds and Mitigations

None