Security Bulletin
Summary
Novalink uses WebSphere Application Server Liberty. There is effect on 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.
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) |
| NovaLink | 1.0.0.16 |
| Novalink | 2.0.1 |
Remediation/Fixes
The recommended solution is to upgrade to Novalink version 1.0.0.16 or 2.0.1 as applicable.
Workarounds and Mitigations
None
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References
Acknowledgement
Change History
06 Jul 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
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Document Information
Modified date:
30 July 2021
Initial Publish date:
06 July 2021
UID
ibm16469909