CVE-2025-36221: IBM Cloud Pak for Data System - Cyclops 11.3.0.2 through Interim Fix 002 IBM Cloud Pak for Data System uses d

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

cloud pak for data system - cyclops: upgrade to 11.3.0.2. Exact commands for each OS are on this page.

Q: Is CVE-2025-36221 being exploited?

CVE-2025-36221 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-36221 affect?

CVE-2025-36221 affects cloud pak for data system - cyclops. Severity is medium (CVSS 5.3). 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 at

Q: How urgent is CVE-2025-36221?

Priority 28/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2025-36221 is a medium-severity flaw (CVSS 5.3) affecting cloud pak for data system - cyclops. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 81%)
CISA exploited list	No
Weakness	CWE-1392
Published	2026-05-26
Last modified	2026-07-24

Publisher (CNA): IBM Corporation · Vendor: ibm

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-26 17:16 UTCPublished CVE record published
2026-07-24 11:10 UTCUpdated Record last modified

ibm cloud pak for data system - cyclops UPGRADE

Affected: < 11.3.0.2 · 11.3.0.2 · 11.3.0.2 interim_fix_2

Fixed in: 11.3.0.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy cloud-pak-for-data-system---cyclops || rpm -q cloud-pak-for-data-system---cyclops || cloud-pak-for-data-system---cyclops --version

2. UPGRADE to 11.3.0.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade cloud-pak-for-data-system---cyclops

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cloud-pak-for-data-system---cyclops

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-36221?

cloud pak for data system - cyclops: upgrade to 11.3.0.2. Exact commands for each OS are on this page.

Is CVE-2025-36221 being exploited?

CVE-2025-36221 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-36221 affect?

CVE-2025-36221 affects cloud pak for data system - cyclops. Severity is medium (CVSS 5.3). 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 at

How urgent is CVE-2025-36221?

Priority 28/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-36220 MEDIUM 4.3 UPGRADE IBM Cloud Pak for Data System - Cyclops 11.3.0.2 through Interim Fix 002 IBM Cloud Pak for Data System is vul

References

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