CVE-2021-39021

Name: CVE-2021-39021
Creator: NVD / NIST
Published: 2022-02-02T20:15:07.48+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2021-39021 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. IBM Guardium Data Encryption (GDE) 5.0.0.2 behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which could facilitate username enumeration. IBM X-Force ID: 213856.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

IBM Guardium Data Encryption (GDE) 5.0.0.2 behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which could facilitate username enumeration. IBM X-Force ID: 213856.

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

0.53%

40.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-203

Affected Software

Vendor	Product	Versions
Ibm	Guardium Data Encryption	5.0.0.2

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/213856VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6552552Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/213856VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6552552Vendor Advisory

Timeline

Published: Feb 2, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-39021?

How severe is CVE-2021-39021?

CVE-2021-39021 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39021?

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-2021-39021?

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

Scan your code now

Source: NVD / NIST