Server-Side Request Forgery (SSRF) in IBM WebSphere Application Server - CVE-2021-20480
Published: April 12, 2021
Vulnerability identifier: #VU52053
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N]
CVE-ID: CVE-2021-20480
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input. A remote authenticated attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
Affected software
IBM WebSphere Application Server
IBM Tivoli Monitoring
IBM Cloud Orchestrator
IBM Tivoli Monitoring
IBM Cloud Orchestrator
How to mitigate CVE-2021-20480
Install updates from vendor's website.
IBM WebSphere Application Server - addressed in versions 7.0.0.45-WS-WAS-IFPH33994, 8.0.0.15-WS-WAS-IFPH33994, 8.5.5.20