CVE-2023-33854: Multiple vulnerabilities affect IBM Db2® on Cloud Pak for Data, and Db2 Warehouse on Cloud Pak for Data.

Published Jun 19, 2026
·
Updated

IBM Db2 on Cloud Pak for Data and Db2 Warehouse on Cloud Pak for Data versions 4.8, 5.0, 5.1, 5.2, and 5.3 could allow an authenticated user to bypass client-side validation and manipulate input data using man in the middle techniques.

Other sources

IBM Db2U could allow an authenticated user to bypass client-side validation and manipulate input data using man in the middle techniques.

IBM

Affected Software

4 affected components
IBM IBM® Db2® on Cloud Pak for Data and Db2 Warehouse on Cloud Pak for Data<=v4.8 v5.0v5.1v5.2v5.3
All of the following
Any of the following
IBM DB2>=4.8<5.4
IBM Db2 Warehouse>=4.8<5.4
IBM Cloud Pak for Data

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade IBM Db2 on Cloud Pak for Data and Db2 Warehouse on Cloud Pak for Data to a version that resolves this vulnerability.

    Fixed in 5.4

Event History

Jun 19, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Jun 22, 2026
CVE Published
via MITRE·02:31 PM
Data Sourced
via MITRE·02:31 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·04:16 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2023-33854?

The severity of CVE-2023-33854 is medium with a score of 5.3.

2

How do I fix CVE-2023-33854?

To fix CVE-2023-33854, apply the latest security patches and updates provided by IBM for the affected Db2 versions.

3

Which products are affected by CVE-2023-33854?

CVE-2023-33854 affects IBM Db2 on Cloud Pak for Data and Db2 Warehouse on Cloud Pak for Data versions 4.8, 5.0, 5.1, 5.2, and 5.3.

4

Can an attacker exploit CVE-2023-33854 remotely?

Yes, an attacker could potentially exploit CVE-2023-33854 remotely by being an authenticated user and using man in the middle techniques.

5

What type of vulnerability is CVE-2023-33854?

CVE-2023-33854 is a vulnerability that allows an authenticated user to bypass client-side validation and manipulate input data.

Contact

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