Security Bulletin
Summary
WebSphere Application Server Java Batch, that was included in Watson Knowledge Catalog InstaScan, is vulnerable to an XML External Entity Injection (XXE) vulnerability. This has been addressed.
Vulnerability Details
CVEID: CVE-2021-20492
DESCRIPTION: IBM WebSphere Application Server 8.0, 8.5, 9.0, and Liberty Java Batch is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 197793.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/197793 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| Watson Knowledge Catalog InstaScan | 1.1.0 - 1.1.6 |
Remediation/Fixes
IBM strongly recommends addressing the vulnerability now.
| Product(s) | Version(s) number and/or range | Remediation/Fix/Instructions |
| Watson Knowledge Catalog InstaScan | 1.1.0 - 1.1.6 | Upgrade to version 1.1.7 |
Note: WebSphere Application Server Java Batch is bundled with Watson Knowledge Catalog InstaScan to provide an application runtime functionality.
In order to upgrade to the 1.1.7 version, please run the following command on the infrastructure node of the OpenShift cluster:
./cpd-cli upgrade --repo <your-repo.yaml> -a wkc-instascan -n <your-name-space> --verbose --accept-all-licenses
Replace <your-repo.yaml> with the name of the repository yaml file and <your-name-space> with the actual OpenShift project name (Kubernetes namespace) where the product is installed.
Workarounds and Mitigations
None.
Get Notified about Future Security Bulletins
References
Change History
09 Aug 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
Was this topic helpful?
Document Information
Modified date:
10 August 2022
Initial Publish date:
09 August 2022
UID
ibm16611955