Is CVE-2023-33854 in the CISA KEV catalog?

No. CVE-2023-33854 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-33854?

CVE-2023-33854 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2023-33854?

CVE-2023-33854 has an EPSS score of 0.19% (9th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-33854?

Upgrade db2 to 5.4 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-33854

MEDIUM

5.3

CVSS v3

NVD

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.

CWE-294

How to fix

Remediation Available

db2NVD

Affected:>= 4.8, < 5.4Fixed in:5.4CVE-2023-33854derived from NVD

db2 warehouseNVD

Affected:>= 4.8, < 5.4Fixed in:5.4CVE-2023-33854derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

0.19%probability of exploitation in 30 days

9thpercentile

Low risk: more likely to be exploited than 9% of all known CVEs.

References

Vendor Advisory1

ibm.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-30.