CVE-2021-20453: XEE
IBM WebSphere Application Server 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: 196648.
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.
— IBM
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2021-20453?
CVE-2021-20453 is considered a medium severity vulnerability due to its potential for exposing sensitive information.
How do I fix CVE-2021-20453?
To fix CVE-2021-20453, update IBM WebSphere Application Server to the latest available version that resolves this issue.
What is an XML External Entity Injection vulnerability in CVE-2021-20453?
An XML External Entity Injection vulnerability allows attackers to manipulate XML data to extract sensitive information or consume system resources.
Which versions of IBM WebSphere Application Server are affected by CVE-2021-20453?
CVE-2021-20453 affects IBM WebSphere Application Server versions 8.0, 8.5, and 9.0 up to specific patch levels.
Can CVE-2021-20453 be exploited remotely?
Yes, CVE-2021-20453 can be exploited by a remote attacker without requiring authentication.