PT-2021-13992 · Ibm · Liberty Java Batch+1

Published 2021-05-26 · Updated 2021-06-04 · CVE-2021-20492

Positive Technologies (AI Summary)

CVSS v3.1

8.2

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

Name of the Vulnerable Software and Affected Versions: IBM WebSphere Application Server versions 8.0 through 9.0 Liberty Java Batch (affected versions not specified)

Description: The issue allows for an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this to expose sensitive information or consume memory resources.

Recommendations: For IBM WebSphere Application Server versions 8.0 through 9.0, update to a version that includes a fix for this issue. For Liberty Java Batch, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

XXE

Weakness Enumeration

CWE-611

Related Identifiers

CVE-2021-20492

Affected Products

Ibm Websphere Application Server

Liberty Java Batch

References · 4

• https://ibm.com/support/pages/node/6456017 · Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/197793 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20492 · Security Note
• https://osv.dev/vulnerability/CVE-2021-20492 · Vendor Advisory