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CVE-2020-4464

HighPublished

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...

Published: Jul 17, 2020
Updated: Sep 17, 2024
Assigning CNA: ibm
Evidence observed: Aug 4, 2026

Primary CVSS

8.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

13.2%

Moderate · next 30 days

Percentile: 96.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

WebSphere-WSIF-gadgetExploit
CVE-2020-4464 / CVE-2020-4450
CVE-2020-4464-and-CVE-2020-4450PoC
Go-based exploit implementation for CVE-2020-4464 and CVE-2020-4450, providing proof-of-concept code to demonstrate and test these specific vulnerabilities.

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