CVE-2020-4420: High severity ibm db2 universal database vulnerability

Published Jul 1, 2020
·
Updated

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow an unauthenticated attacker to cause a denial of service due a hang in the execution of a terminate command. IBM X-Force ID: 180076.

Other sources

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow an unauthenticated attacker to cause a denial of service due a hang in the execution of a terminate command.

Affected Software

7 affected components
IBM DB2=9.7.0.0
IBM DB2=10.1.0.0
IBM DB2=10.5.0.0
IBM DB2=11.1.0.0
IBM DB2=11.5.0.0
Linux Linux kernel
Microsoft Windows

Event History

Jul 1, 2020
CVE Published
via MITRE·02:25 PM
Data Sourced
via MITRE·02:25 PM
DescriptionSeverityWeakness
Aug 4, 2024
Data Sourced
via IBM·08:14 AM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2020-4420?

CVE-2020-4420 is considered a high severity vulnerability as it allows an unauthenticated attacker to cause a denial of service.

2

How do I fix CVE-2020-4420?

To fix CVE-2020-4420, update IBM DB2 to a version that is not affected by this vulnerability, as specified in IBM's security announcements.

3

Which IBM DB2 versions are affected by CVE-2020-4420?

CVE-2020-4420 affects IBM DB2 versions 9.7, 10.1, 10.5, 11.1, and 11.5.

4

What kind of attack does CVE-2020-4420 facilitate?

CVE-2020-4420 facilitates a denial of service attack due to a hang in the execution of a terminate command.

5

Is CVE-2020-4420 relevant for both Linux and Windows operating systems?

Yes, CVE-2020-4420 is relevant for IBM DB2 running on both Linux and Windows operating systems.

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