What is CVE-2023-38735?

CVE-2023-38735 is a medium-severity vulnerability in IBM Cognos Dashboards On Cloud Pak For Data, classified under Improper Authentication. CVSS score: 5.7/10. Published 2023-10-22.

How severe is CVE-2023-38735?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Auth bypass in IBM Cognos Dashboards On Cloud Pak For Data

CVE-2023-38735

IBM Cognos Dashboards on Cloud Pak for Data 4.7.0 could allow a remote attacker to bypass security restrictions, caused by a reverse tabnabbing flaw. An attacker could exploit this vulnerability and redirect a victim to a phishing site. IBM X-Force ID: 262482.

Vulnerability class: Broken Authentication

Published 2023-10-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.1th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

IBM Cognos Dashboards On Cloud Pak For Data — versions 4.7.0
IBM Cognos Dashboards On Cloud Pak For Data — versions 4.7.0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www.ibm.com/support/pages/node/7031207 (vendor-advisory, Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/262482 (VDB Entry, Vendor Advisory)

Frequently asked questions

What is CVE-2023-38735?: CVE-2023-38735 is a medium-severity vulnerability in IBM Cognos Dashboards On Cloud Pak For Data, classified under Improper Authentication. CVSS score: 5.7/10. Published 2023-10-22.
How severe is CVE-2023-38735?: Medium severity. CVSS v3 base score is 5.7 out of 10.