CVE-2021-39056: Medium severity ibm iseries as/400 vulnerability

Published Jan 12, 2022
·
Updated

The IBM i Extended Dynamic Remote SQL server (EDRSQL) could allow a remote authenticated user to send a specially crafted request and cause a denial of service.

Other sources

The IBM i 7.1, 7.2, 7.3, and 7.4 Extended Dynamic Remote SQL server (EDRSQL) could allow a remote authenticated user to send a specially crafted request and cause a denial of service. IBM X-Force ID: 214537.

Affected Software

8 affected components
IBM i=7.1
IBM i=7.2
IBM i=7.3
IBM i=7.4
IBM i<=7.4
IBM i<=7.3
IBM i<=7.2
IBM i<=7.1

Event History

Jan 12, 2022
CVE Published
via IBM·12:00 AM
Jan 13, 2022
CVE Published
via MITRE·06:05 PM
Data Sourced
via MITRE·06:05 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the vulnerability ID of this issue?

The vulnerability ID of this issue is CVE-2021-39056.

2

What is the severity level of CVE-2021-39056?

The severity level of CVE-2021-39056 is medium with a severity value of 6.5.

3

Which software versions are affected by CVE-2021-39056?

CVE-2021-39056 affects IBM i versions 7.1, 7.2, 7.3, and 7.4.

4

How can a remote authenticated user exploit CVE-2021-39056?

A remote authenticated user can exploit CVE-2021-39056 by sending a specially crafted request to the IBM i Extended Dynamic Remote SQL server (EDRSQL).

5

Is there any additional information available for CVE-2021-39056?

Yes, additional information can be found on the IBM X-Force ID: 214537 and IBM support pages.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203