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Powervm Hypervisor CVE-2025-36238

MEDIUM
Exposure of Sensitive System Information to an Unauthorized Control Sphere (CWE-497)
2026-02-02 psirt@us.ibm.com
IBM Powervm Hypervisor
6.0
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-497
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection System info exposure prevention
Impact

CVSS 6.0 (MEDIUM). Attack vector: Local. Complexity: Low. Privileges required: High. User interaction: None. Exploitation requires authentication. Exploitable via local access.
Exploit ScenarioDerived

An attacker (requires authentication) could exploit this vulnerability to a local user with administration privileges to obtain sensitive information from.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Powervm Hypervisor versions up to fw950.00 contains a vulnerability that allows attackers to a local user with administration privileges to obtain sensitive information from (CVSS 6.0).

RemediationAI

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Technical ContextAI · show details

exists in the a series of PowerVM component. IBM PowerVM Hypervisor FW1110.00 through FW1110.03, FW1060.00 through FW1060.51, and FW950.00 through FW950.F0 could allow a local user with administration privileges to obtain sensitive information from a Virtual TPM through a series of PowerVM service procedures.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 6.0 MEDIUM
AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

DescriptionCVE.org

IBM PowerVM Hypervisor FW1110.00 through FW1110.03, FW1060.00 through FW1060.51, and FW950.00 through FW950.F0 could allow a local user with administration privileges to obtain sensitive information from a Virtual TPM through a series of PowerVM service procedures.

Executive ViewAI

Why It Matters

Organizations using sensitive information from a Virtual TPM should be aware of moderate risk from CVE-2025-36238 rated CVSS 6.0. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score
0.0%
Top 100% exploitable
Data Quality
3 sources
Confidence: Low
🇯🇵JVN NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.0%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact
Low

Priority Score

30
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +30
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Affected Products (CPE)CVE.org

cpe:2.3:o:ibm:powervm_hypervisor:fw950.00:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.10:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.11:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.20:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.30:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.40:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.50:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.60:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.70:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.71:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.80:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.90:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.a0:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.b0:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.c0:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.c1:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.c2:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.d0:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.d1:*:*:*:*:*:*:*
cpe:2.3:o:ibm:powervm_hypervisor:fw950.e0:*:*:*:*:*:*:*
+ 14 more

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References

Advisories & patches
ADVISORY https://www.ibm.com/support/pages/node/7257556

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