CVE-2021-20492

HIGH

IBM WebSphere Application Server <9.0 - XXE

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Patch, Vendor Advisory x_refsource_confirm
https://www.ibm.com/support/pages/node/6456017
VDB Entry, Vendor Advisory vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/197793

Scores

CVSS v3 8.2
EPSS 0.0207
EPSS Percentile 79.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

Details

CWE
CWE-611
Status published
Products (2)
ibm/websphere_application_server 17.0.0.3 - 21.0.0.5
ibm/websphere_application_server 8.0.0.0 - 8.0.0.15
Published May 26, 2021
Tracked Since Feb 18, 2026