What is CVE-2023-33854?

CVE-2023-33854 is a medium-severity vulnerability in Ibm Cloud_pak_for_data, classified under Authentication Bypass by Capture-replay. CVSS score: 5.3/10. Published 2026-06-22.

How severe is CVE-2023-33854?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Ibm Cloud_pak_for_data

CVE-2023-33854

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.

EPSS: 0.003 (16.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Ibm Cloud_pak_for_data
Ibm Db2
Ibm Db2 On Cloud Pak For Data And Warehouse — versions 4.8.0, 5.0.0
Ibm Db2_warehouse

Weakness classification (CWE)

CWE-294 — Authentication Bypass by Capture-replay

References

psirt@us.ibm.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-33854?: CVE-2023-33854 is a medium-severity vulnerability in Ibm Cloud_pak_for_data, classified under Authentication Bypass by Capture-replay. CVSS score: 5.3/10. Published 2026-06-22.
How severe is CVE-2023-33854?: Medium severity. CVSS v3 base score is 5.3 out of 10.