What is CVE-2023-28955?

CVE-2023-28955 is a medium-severity vulnerability in IBM Watson Knowledge Catalog On Cloud Pak For Data, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2023-07-10.

How severe is CVE-2023-28955?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in IBM Watson Knowledge Catalog On Cloud Pak For Data

CVE-2023-28955

IBM Watson Knowledge Catalog on Cloud Pak for Data 4.0 could allow an authenticated user send a specially crafted request that could cause a denial of service. IBM X-Force ID: 251704.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2023-07-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.8th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

IBM Watson Knowledge Catalog On Cloud Pak For Data — versions 4.0
IBM Watson Knowledge Catalog On Cloud Pak For Data

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.ibm.com/support/pages/node/7009747 (vendor-advisory, Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/251704 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2023-28955?: CVE-2023-28955 is a medium-severity vulnerability in IBM Watson Knowledge Catalog On Cloud Pak For Data, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2023-07-10.
How severe is CVE-2023-28955?: Medium severity. CVSS v3 base score is 6.5 out of 10.