CVE-2021-20454

HighCVSS 8.2/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.2/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

Weakness enumeration

CWE-611

Affected software

No affected versions have been published.

Timeline

Published
Apr 21, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-20454: High severity, CVSS 8.2 | Vulnix