CVE-2021-20424

Name: CVE-2021-20424
Creator: NVD / NIST
Published: 2021-07-13T16:15:08.43+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.98%

Last modified Jun 17, 2026

CVE-2021-20424 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. IBM Cloud Pak for Applications 4.3 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system. EPSS estimates a 0.98% chance of exploitation in the next 30 days.

Description

IBM Cloud Pak for Applications 4.3 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system. X-Force ID: 196309.

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

0.98%

57.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-209

Affected Software

Vendor	Product	Versions
Ibm	Cloud Pak For Applications	< 4.3.1

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/196309VDB Entry
https://www.ibm.com/support/pages/node/6471325Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/196309VDB Entry
https://www.ibm.com/support/pages/node/6471325Vendor Advisory

Timeline

Published: Jul 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-20424?

How severe is CVE-2021-20424?

CVE-2021-20424 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.98% probability of exploitation in the next 30 days.

How do I fix CVE-2021-20424?

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-2021-20424?

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

Scan your code now

Source: NVD / NIST