CVE-2023-33854
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IBM Db2 Cloud Pak Data Man-in-the-Middle Bypass

Publication date: 2026-06-22

Last updated on: 2026-06-22

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.
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Meta Information
Published
2026-06-22
Last Modified
2026-06-22
Generated
2026-06-22
AI Q&A
2026-06-22
EPSS Evaluated
N/A
NVD
CVE-2023-33854
EUVD
EUVD-2023-60595
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
ibm db2_on_cloud_pak_for_data From 4.8 (inc) to 5.3 (inc)
ibm db2_warehouse_on_cloud_pak_for_data From 4.8 (inc) to 5.3 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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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).
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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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