IBM Db2 Cloud Pak Data Man-in-the-Middle Bypass

Publication date: 2026-06-22

Last updated on: 2026-06-30

Assigner: IBM Corporation

Description

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-06-22

Last Modified

2026-06-30

Generated

2026-07-13

AI Q&A

2026-06-22

EPSS Evaluated

2026-07-11

NVD

CVE-2023-33854

EUVD

EUVD-2023-60595

Affected Vendors & Products

Vendor	Product	Version / Range
ibm	db2	From 4.8 (inc) to 5.4 (exc)
ibm	db2_warehouse	From 4.8 (inc) to 5.4 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-294	A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes).

Attack-Flow Graph

Executive Summary

This vulnerability 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. It allows an authenticated user to bypass client-side validation and manipulate input data by using man-in-the-middle techniques.

Impact Analysis

The vulnerability can impact you by allowing an authenticated user to manipulate input data, potentially leading to unauthorized changes or actions within the affected IBM Db2 systems. Since the attacker can bypass client-side validation, this could result in data integrity issues or other unintended behavior.

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