Is CVE-2025-36221 in the CISA KEV catalog?

No. CVE-2025-36221 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-36221?

CVE-2025-36221 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2025-36221?

CVE-2025-36221 has an EPSS score of 0.27% (18th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-36221?

Upgrade cloud pak for data system - cyclops to 11.3.0.2 or later.

CVE & CISA-KEV Catalog

CVE-2025-36221

MEDIUM

5.3

CVSS v3

NVD

Description

IBM Cloud Pak for Data System - Cyclops 11.3.0.2 through Interim Fix 002 IBM Cloud Pak for Data System uses default passwords default passwords from the manufacturing process for use during the installation process, which could allow an attacker to bypass authentication.

CWE-1392

How to fix

Remediation Available

cloud pak for data system - cyclopsNVD

Affected:< 11.3.0.2Fixed in:11.3.0.2CVE-2025-36221derived 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 ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.27%probability of exploitation in 30 days

18thpercentile

Low risk: more likely to be exploited than 18% of all known CVEs.

References

Vendor Advisory1

ibm.com

Embed a live status badge for CVE-2025-36221

Markdown

[![CVE-2025-36221](https://tridentstack.com/cve/badge/CVE-2025-36221.svg)](https://tridentstack.com/cve/CVE-2025-36221)

HTML

<a href="https://tridentstack.com/cve/CVE-2025-36221"><img src="https://tridentstack.com/cve/badge/CVE-2025-36221.svg" alt="CVE-2025-36221"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2026-06-02.