CVE-2020-4949: XEE

Published Jan 26, 2021
·
Updated

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to an 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: 192025.

Affected Software

11 affected components
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<=8.5.5.18
IBM WebSphere Application Server>=9.0.0.0<=9.0.5.6
HP HP-UX
IBM AIX
IBM i
IBM Z\/os
Linux Linux kernel
Microsoft Windows
Oracle Solaris

Event History

Jan 26, 2021
CVE Published
via MITRE·02:25 PM
Data Sourced
via MITRE·02:25 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2020-4949?

The severity of CVE-2020-4949 is high with a CVSS score of 8.2.

2

How does CVE-2020-4949 affect IBM WebSphere Application Server?

CVE-2020-4949 affects IBM WebSphere Application Server versions 7.0, 8.0, 8.5, and 9.0 by making them vulnerable to an XML External Entity Injection (XXE) attack.

3

What is an XML External Entity Injection (XXE) attack?

XML External Entity Injection (XXE) attack is a type of attack where an attacker can exploit vulnerabilities in XML input parsers to disclose internal files or execute remote code.

4

What are the potential impacts of CVE-2020-4949?

CVE-2020-4949 can potentially expose sensitive information or consume memory resources on the affected IBM WebSphere Application Server.

5

How can I fix CVE-2020-4949?

To fix CVE-2020-4949, it is recommended to apply the latest security patches provided by IBM for affected versions of WebSphere Application Server.

Contact

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