Security Bulletin
Summary
IBM Watson Discovery for IBM Cloud Pak for Data contains a vulnerable version of XStream.
Vulnerability Details
CVEID: CVE-2021-43859
DESCRIPTION: XStream is vulnerable to a denial of service, caused by improper input validation. By injecting highly recursive collections or maps, a remote attacker could exploit this vulnerability to allocate 100% CPU time on the system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/219177 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| Watson Discovery | 4.0.0-4.0.6 |
| Watson Discovery | 2.0.0-2.2.1 |
Remediation/Fixes
Upgrade to IBM Watson Discovery 4.0.7
Upgrade to IBM Watson Discovery 2.2.1 and apply cpd-watson-discovery-2.2.1-patch-9
https://cloud.ibm.com/docs/discovery-data?topic=discovery-data-install
https://www.ibm.com/support/pages/available-patches-watson-discovery-ibm-cloud-pak-data
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
17 Mar 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.
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
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Document Information
Modified date:
30 March 2022
UID
ibm16564607