CVE-2020-4464

HIGH

IBM WebSphere Application Server 7.0.0.0-7.0.0.44 - Remote Code Execution via SOAP Connector Deserialization

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2020-4464. PoCs published by silentsignal, yonggui-li.

AI-analyzed exploit summary This repository contains a functional exploit PoC for CVE-2020-4464, leveraging a deserialization vulnerability in IBM WebSphere's WSIF gadget chain. It includes an RMI server and a serialized payload generator to achieve remote code execution.

Description

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 traditional could allow a remote attacker to execute arbitrary code on a system with a specially-crafted sequence of serialized objects over the SOAP connector. IBM X-Force ID: 181489.

Exploits (2)

nomisec WORKING POC 35 stars
by silentsignal · poc
https://github.com/silentsignal/WebSphere-WSIF-gadget

This repository contains a functional exploit PoC for CVE-2020-4464, leveraging a deserialization vulnerability in IBM WebSphere's WSIF gadget chain. It includes an RMI server and a serialized payload generator to achieve remote code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: IBM WebSphere Application Server
No auth needed
Prerequisites: Java 11 · WebSphere libraries (plugins and runtimes directories) · Network access to target WebSphere instance
mistral-large-3 · analyzed Feb 18, 2026 Full analysis →
nomisec STUB
by yonggui-li · poc
https://github.com/yonggui-li/CVE-2020-4464-and-CVE-2020-4450

The repository contains minimal and incomplete content, with no functional exploit code for CVE-2020-4464. The files include a placeholder README and trivial Go code that does not demonstrate the vulnerability.

Classification
Stub 90%
Attack Type
Other
Complexity
Trivial
Reliability
Theoretical
Target: Unknown
No auth needed
mistral-large-3 · analyzed Feb 18, 2026 Full analysis →

References (3)

Core 3
Core References
Patch, Vendor Advisory x_refsource_confirm
https://www.ibm.com/support/pages/node/6250059
VDB Entry, Vendor Advisory vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/181489
Third Party Advisory x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-20-878/

Scores

CVSS v3 8.8
EPSS 0.1323
EPSS Percentile 95.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-502
Status published
Products (1)
ibm/websphere_application_server 7.0.0.0 - 7.0.0.45
Published Jul 17, 2020
Tracked Since Feb 18, 2026