CVE-2025-36221

Q: How do I fix CVE-2025-36221?

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

Q: Is CVE-2025-36221 being actively exploited?

Not that we know of. CVE-2025-36221 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.27% is the estimated probability that it will be exploited in the next 30 days. That is higher than 19% of all scored CVEs.

Q: How severe is CVE-2025-36221?

CVE-2025-36221 has a CVSS v3 base score of 5.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2025-36221 affect?

Published advisories record a fix for cloud pak for data system - cyclops (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

19thpercentile

Low risk: more likely to be exploited than 19% of all known CVEs.

References

Vendor Advisory1

ibm.com

Related Vulnerabilities

Other CWE-1392 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-12856	High	7.2	82%	-	-
CVE-2026-26341	Critical	9.8	2.7%	-	-
CVE-2026-58453	Critical	9.8	1.7%	-	-
CVE-2024-4007	High	8.8	1.5%	-	Fix
CVE-2025-5124	High	8.1	0.9%	-	-
CVE-2025-1160	High	7.3	0.9%	-	-

Common questions

How do I fix CVE-2025-36221?

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

Is CVE-2025-36221 being actively exploited?

Not that we know of. CVE-2025-36221 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.27% is the estimated probability that it will be exploited in the next 30 days. That is higher than 19% of all scored CVEs.

How severe is CVE-2025-36221?

CVE-2025-36221 has a CVSS v3 base score of 5.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2025-36221 affect?

Published advisories record a fix for cloud pak for data system - cyclops (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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 2026-07-24.