The Common and TCPMultilineSyslog protocol components as used by IBM QRadar SIEM contain vulnerabilities which may allow for denial of service attacks. IBM has addressed the relevant CVE.
DESCRIPTION: IBM QRadar SIEM may be vulnerable to partial denial of service attack, resulting in some protocols not listening to specified ports.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/214028 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
|IBM QRadar SIEM v7.3||
All PROTOCOL-Common versions before PROTOCOL-Common-7.3-20220608132603
All PROTOCOL-TCPMultilineSyslog versions before PROTOCOL-TCPMultilineSyslog-7.3-20220531145432
|IBM QRadar SIEM v7.4||
All PROTOCOL-Common versions before PROTOCOL-Common-7.4-20220608234024
All PROTOCOL-TCPMultilineSyslog versions before PROTOCOL-TCPMultilineSyslog-7.4-20220531145346
|IBM QRadar SIEM v7.5||
All PROTOCOL-Common versions before PROTOCOL-Common-7.5-20220608234038
All PROTOCOL-TCPMultilineSyslog versions before PROTOCOL-TCPMultilineSyslog-7.5-20220531145302
IBM encourages customers to update their systems promptly.
See the Related Information section below for instructions on verifying your currently installed version.
|IBM QRadar SIEM||7.3|
|IBM QRadar SIEM||7.4|
|IBM QRadar SIEM||7.5|
Workarounds and Mitigations
Get Notified about Future Security Bulletins
11 Jul 2022: 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.
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
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11 July 2022