CVE-2020-4450: IBM WebSphere Application Server IIOP Deserialization of Untrusted Data Remote Code Execution Vulnerability
IBM WebSphere Application Server 8.5 and 9.0 traditional could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects. IBM X-Force ID: 181231.
Other sources
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 handling of the IIOP protocol. 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 root.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is CVE-2020-4450?
CVE-2020-4450 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of IBM WebSphere Application Server.
How does CVE-2020-4450 vulnerability occur?
The vulnerability occurs within the handling of the IIOP protocol, due to the lack of proper validation of user-supplied input.
What is the severity of CVE-2020-4450?
The severity of CVE-2020-4450 is rated as critical with a CVSS score of 9.8.
What software is affected by CVE-2020-4450?
IBM WebSphere Application Server versions 8.5.0.0 through 8.5.5.18 and 9.0.0.0 through 9.0.5.5 are affected by this vulnerability.
Is authentication required to exploit CVE-2020-4450?
No, authentication is not required to exploit this vulnerability.