Security Bulletin
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
Get Notified about Future Security Bulletins
References
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
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
Was this topic helpful?
Document Information
Modified date:
03 December 2021
UID
ibm16520488