CVE-2020-4448: IBM WebSphere UploadFileArgument Directory Traversal Remote Code Execution Vulnerability
IBM WebSphere Application Server Network Deployment 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources. IBM X-Force ID: 181228.
Other sources
IBM WebSphere Application Server Network Deployment could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources.
— IBM
This vulnerability allows remote attackers to execute arbitrary code on affected installations of IBM WebSphere. Authentication is not required to exploit this vulnerability. The specific flaw exists within the BroadcastMessageManager class. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.
— ZDI
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is CVE-2020-4448?
CVE-2020-4448 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of IBM WebSphere.
Is authentication required to exploit CVE-2020-4448?
No, authentication is not required to exploit CVE-2020-4448.
What is the severity of CVE-2020-4448?
CVE-2020-4448 has a severity rating of 9.8 (Critical).
Which versions of IBM WebSphere are affected by CVE-2020-4448?
IBM WebSphere Application Server versions 8.5.0.0 to 8.5.5.18 and 9.0.0.0 to 9.0.5.4 are affected by CVE-2020-4448.
How can I fix CVE-2020-4448?
IBM has released patches to address CVE-2020-4448. Please refer to the IBM support pages for more information on obtaining and applying the patches.