Deserialization of Untrusted Data in IBM WebSphere Application Server - CVE-2023-23477

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Main Vulnerability Database Vulnerabilities #VU71715

Deserialization of Untrusted Data in IBM WebSphere Application Server - CVE-2023-23477

Published: January 31, 2023


Vulnerability identifier: #VU71715
CSH Severity: Critical
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-23477
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data. A remote attacker can send specially crafted data to the server and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

IBM WebSphere Application Server
IBM Security Guardium Key Lifecycle Manager (GKLM)
WebSphere Remote Server
IBM Business Automation Workflow
IBM Tivoli Netcool/OMNIbus WebGUI
Jazz for Service Management
IBM Maximo Asset Management
IBM Intelligent Operations Center
IBM Security Identity Manager
Tivoli Composite Application Manager for Application Diagnostics
Business Monitor
IBM Tivoli Network Manager (ITNM)

How to mitigate CVE-2023-23477

Install updates from vendor's website.

IBM WebSphere Application Server - addressed in versions 8.5.5.20, 9.0.5.8
IBM Tivoli Network Manager (ITNM) - update to 4.2.0.14
IBM Intelligent Operations Center - update to 5.2.3

External References

Related Security Bulletins