CVE-2021-20428

Name: CVE-2021-20428
Creator: NVD / NIST
Published: 2021-05-24T14:15:07.91+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.27%

Last modified Jun 17, 2026

CVE-2021-20428 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. IBM Security Guardium 11.2 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 1.27% chance of exploitation in the next 30 days.

Description

IBM Security Guardium 11.2 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. IBM X-Force ID: 196315.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

1.27%

66.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-209

Affected Software

Vendor	Product	Versions
Ibm	Security Guardium	11.2

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/196315VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6455281Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/196315VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6455281Patch, Vendor Advisory

Timeline

Published: May 24, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-20428?

How severe is CVE-2021-20428?

CVE-2021-20428 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.27% probability of exploitation in the next 30 days.

How do I fix CVE-2021-20428?

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-2021-20428?

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

Scan your code now

Source: NVD / NIST