CVE-2021-20454: XEE
First published: Tue Apr 20 2021(Updated: )
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.
Credit: psirt@us.ibm.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ibm Websphere Application Server | <=9.0 | |
| Ibm Websphere Application Server | <=8.5 | |
| Ibm Websphere Application Server | <=8.0 | |
| Ibm Websphere Application Server | <=7.0 | |
| Ibm Websphere Application Server | >=7.0.0.0<=7.0.0.45 | |
| Ibm Websphere Application Server | >=8.0.0.0<=8.0.0.15 | |
| Ibm Websphere Application Server | >=8.5.0.0<=8.5.5.19 | |
| Ibm Websphere Application Server | >=9.0.0.0<=9.0.5.7 |
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Reference Links
Frequently Asked Questions
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.
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.
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.
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.
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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- agent/softwarecombine
- agent/last-modified-date
- agent/first-publish-date
- vendor/ibm
- canonical/ibm websphere application server
- version/ibm websphere application server/9.0
- version/ibm websphere application server/8.5
- version/ibm websphere application server/8.0
- version/ibm websphere application server/7.0
- version/ibm websphere application server/7.0.0.0
- version/ibm websphere application server/7.0.0.45
- version/ibm websphere application server/8.0.0.0
- version/ibm websphere application server/8.0.0.15
- version/ibm websphere application server/8.5.0.0
- version/ibm websphere application server/8.5.5.19
- version/ibm websphere application server/9.0.0.0
- version/ibm websphere application server/9.0.5.7