XML External Entity injection in IBM WebSphere Application Server - CVE-2020-4949
Published: November 1, 2024
Vulnerability identifier: #VU99598
CSH Severity: High
CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-4949
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied XML input. A remote attacker can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.
Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.
Affected software
IBM WebSphere Application Server
IBM Cloud Orchestrator
IBM Tivoli Monitoring
IBM Cloud Orchestrator
IBM Tivoli Monitoring
How to mitigate CVE-2020-4949
Install updates from vendor's website.
IBM Tivoli Monitoring - update to 6.3.0.7 Plus Service Pack 5