Security Bulletin: Novalink is impacted by XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit affects WebSphere Liberty middle vulnerability in WebSphere Application Server Liberty (CVE-2021-20492)

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

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