CVE-2020-4329

Name: CVE-2020-4329
Creator: NVD / NIST
Published: 2020-04-28T14:15:14.377+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 1.26%

Last modified Jun 17, 2026

CVE-2020-4329 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. IBM WebSphere Application Server 7.0, 8.0, 8.5, 9.0 and Liberty 17.0.0.3 through 20.0.0.4 could allow a remote, authenticated attacker to obtain sensitive information, caused by improper parameter checking. This could be exploited to conduct spoofing attacks. EPSS estimates a 1.26% chance of exploitation in the next 30 days.

Description

IBM WebSphere Application Server 7.0, 8.0, 8.5, 9.0 and Liberty 17.0.0.3 through 20.0.0.4 could allow a remote, authenticated attacker to obtain sensitive information, caused by improper parameter checking. This could be exploited to conduct spoofing attacks. IBM X-Force ID: 177841.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

1.26%

66.0th percentile

Probability of exploitation in the next 30 days. Learn more

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, <= 9.0.5.3
Ibm	Websphere Application Server	>= 17.0.0.3, <= 20.0.0.4

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/177841VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6201862Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/177841VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6201862Vendor Advisory

Timeline

Published: Apr 28, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-4329?

How severe is CVE-2020-4329?

CVE-2020-4329 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 1.26% probability of exploitation in the next 30 days.

How do I fix CVE-2020-4329?

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-2020-4329?

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

Scan your code now

Source: NVD / NIST