CVE-2021-20454

HIGH

IBM WebSphere Application Server <9.0 - XXE

Title source: llm
STIX 2.1

Description

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a 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: 196649.

References (2)

Core 2
Core References
Third Party Advisory x_refsource_confirm
https://www.ibm.com/support/pages/node/6445481
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/196649

Scores

CVSS v3 8.2
EPSS 0.0291
EPSS Percentile 85.2%
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 7.0.0.0 - 7.0.0.45
ibm/websphere_application_server 8.5.0.0 - 8.5.5.19
Published Apr 21, 2021
Tracked Since Feb 18, 2026