CVE-2025-36221 | Vulnerabilities exists in IBM Cloud Pak for Data System (CPDS 1.0) - Cyclops.

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.

Published: 2026-05-26 Last update: 2026-06-02 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-36221 is rated Low Risk (24.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.03%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-36221

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-27 — 0.03% —

Full EPSS history (1 record total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-36221

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 1.4 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2025-36221

GitHub Security Advisory for CVE-2025-36221

GHSA-x59x-7jqm-mqjh · Severity: medium — IBM Cloud Pak for Data System - Cyclops 11.3.0.2 through Interim Fix 002 IBM Cloud Pak for Data...

Affected software / configurations for CVE-2025-36221

Vendor Product Version Raw CPE
ibm cloud_pak_for_data_system_-_cyclops < 11.3.0.2 cpe:2.3:a:ibm:cloud_pak_for_data_system_-_cyclops:*:*:*:*:*:*:*:*
ibm cloud_pak_for_data_system_-_cyclops 11.3.0.2 cpe:2.3:a:ibm:cloud_pak_for_data_system_-_cyclops:11.3.0.2:-:*:*:*:*:*:*
ibm cloud_pak_for_data_system_-_cyclops 11.3.0.2 cpe:2.3:a:ibm:cloud_pak_for_data_system_-_cyclops:11.3.0.2:interim_fix_2:*:*:*:*:*:*

References for CVE-2025-36221

cvelogic Threat Intelligence