ESB-2021.4053 – [Linux] IBM QRadar SIEM: Access confidential data – Remote/unauthenticated

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AUSCERT External Security Bulletin Redistribution

ESB-2021.4053
Security Bulletin: IBM QRadar SIEM is vulnerable to using weaker than
expected cryptographic algorithms (CVE-2021-20400)
1 December 2021

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AusCERT Security Bulletin Summary
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Product: IBM QRadar SIEM
Publisher: IBM
Operating System: Linux variants
Impact/Access: Access Confidential Data — Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-20400

Original Bulletin:
https://www.ibm.com/support/pages/node/6520488

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

Document Information

Document number : 6520488
Modified date : 30 November 2021
Product : IBM QRadar SIEM
Software version : 7.3, 7.4
Operating system(s): Linux

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 3

Remediation/Fixes

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

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

Workarounds and Mitigations

None

Acknowledgement

John Zuccato, Rodney Ryan, Chris Shepherd, Nathan Roane, Vince Dragnea, Troy
Fisher, Elaheh Samani, and Gabor Minyo from the IBM X-Force Ethical Hacking
Team.

Change History

26 Nov 2021: Initial Publication

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