CVE-2021-20454: XEE

Published Apr 20, 2021
·
Updated

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.

Other sources

IBM WebSphere Application Server 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.

Affected Software

8 affected components
IBM WebSphere Application Server Feature Pack for Web Services<=9.0
IBM WebSphere Application Server Feature Pack for Web Services<=8.5
IBM WebSphere Application Server Feature Pack for Web Services<=8.0
IBM WebSphere Application Server Feature Pack for Web Services<=7.0
IBM WebSphere Application Server Feature Pack for Web Services>=7.0.0.0<=7.0.0.45
IBM WebSphere Application Server Feature Pack for Web Services>=8.0.0.0<=8.0.0.15
IBM WebSphere Application Server Feature Pack for Web Services>=8.5.0.0<=8.5.5.19
IBM WebSphere Application Server Feature Pack for Web Services>=9.0.0.0<=9.0.5.7

Event History

Apr 20, 2021
CVE Published
via IBM·12:00 AM
Apr 21, 2021
CVE Published
via MITRE·12:05 PM
Data Sourced
via MITRE·12:05 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is CVE-2021-20454?

CVE-2021-20454 is a vulnerability in IBM WebSphere Application Server that allows for XML External Entity Injection (XXE) attacks.

2

What is the severity of CVE-2021-20454?

The severity of CVE-2021-20454 is rated as high with a CVSS score of 8.2.

3

Which versions of IBM WebSphere Application Server are affected by CVE-2021-20454?

IBM WebSphere Application Server versions 7.0, 8.0, 8.5, and 9.0 are affected by CVE-2021-20454.

4

How does CVE-2021-20454 impact the affected software?

CVE-2021-20454 allows remote attackers to exploit the vulnerability and potentially expose sensitive information or consume memory resources.

5

Where can I find more information about CVE-2021-20454?

More information about CVE-2021-20454 can be found at the following references: [Reference 1](https://exchange.xforce.ibmcloud.com/vulnerabilities/196649) and [Reference 2](https://www.ibm.com/support/pages/node/6445481).

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