CVE-2020-4464

Name: CVE-2020-4464
Creator: NVD / NIST
Published: 2020-07-17T14:15:11.337+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 13.23%

Last modified Jun 17, 2026

CVE-2020-4464 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 13.23% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

13.23%

95.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Ibm	Websphere Application Server	>= 7.0.0.0, <= 7.0.0.45
Ibm	Websphere Application Server	>= 8.0.0.0, <= 8.0.0.15
Ibm	Websphere Application Server	>= 8.5.0.0, <= 8.5.5.17
Ibm	Websphere Application Server	>= 9.0.0.0, <= 9.0.5.4

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/181489VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6250059Patch, Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-878/Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/181489VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6250059Patch, Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-878/Third Party Advisory

Timeline

Published: Jul 17, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-4464?

How severe is CVE-2020-4464?

CVE-2020-4464 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 13.23% probability of exploitation in the next 30 days.

How do I fix CVE-2020-4464?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-4464?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST