Is CVE-2025-37164 (Hewlett Packard Enterprise (HPE) OneView Code Injection) being exploited in the wild?

Yes. CISA added CVE-2025-37164 to its Known Exploited Vulnerabilities catalogue on 7 January 2026, which it does only when there is reliable evidence of active exploitation. CISA has not linked it to known ransomware campaigns. Hewlett Packard Enterprise (HPE) OneView contains a code injection vulnerability that allows a remote unauthenticated user to perform remote code execution.

What active exploitation means for CVE-2025-37164

For a KEV-listed flaw, the practical question is not whether exploitation is theoretically possible, but whether the vulnerable HPE OneView instance is still reachable and uncontained. Remote unauthenticated code execution changes the priority from routine patch planning to immediate exposure review, because an attacker does not need stolen credentials or an insider path to begin abuse.

That means defenders should treat this as an internet-facing or internal management-plane risk until proven otherwise. If HPE OneView is present anywhere in the environment, confirm whether it is exposed to user networks, administrative subnets, VPN users, partner access, or automation paths that would let an attacker reach the service before remediation is complete.

When a vendor advisory is available, use it for the authoritative fix sequence and any mitigation that changes reachability or execution paths. CISA’s KEV entry is the operational signal that exploitation is credible; the vendor’s guidance is the source for exact upgrade, workaround, and configuration details.

How to assess exposure and likely blast radius

Start by identifying every HPE OneView deployment, including lab, staging, and forgotten management appliances. Asset inventories often miss out-of-band management systems, which makes KEV-driven exploitation especially dangerous: a system built to manage infrastructure can be left outside normal patch workflows and monitored less closely than production workloads.

Then determine what OneView can control in your environment. A management platform may sit near hypervisors, firmware management, orchestration, or privileged administrative functions, so compromise can create a broad control-plane foothold even when the initial vulnerability is on a single appliance. If you cannot rapidly prove segmentation, assume the blast radius is larger than the application itself.

For prioritisation, use the KEV listing, the vendor advisory, and live exposure data together. The CISA Known Exploited Vulnerabilities Catalog tells you the issue is being abused in the wild, while the NIST National Vulnerability Database provides the canonical record to tie the CVE to your vulnerability management workflow.

What to do if patching must wait

If you cannot patch immediately, the goal is to reduce reachable attack surface and raise the cost of exploitation. Restrict access to the management interface to the smallest possible admin network, remove any unnecessary exposure paths, and verify that only approved operators and automation can reach the service.

Use compensating controls as a temporary control, not as a substitute for remediation. Monitoring should focus on the management plane itself, because exploitation of a code injection flaw may produce unusual process launches, unexpected outbound connections, or changes to administrative state that are easy to miss if logging is only collected from adjacent systems.

Document the exception clearly and set a deadline for the fix. For KEV-listed issues, “we will patch later” is not a stable operating state unless there is a time-bound mitigation and active verification that the service remains unreachable to untrusted sources. The FIRST EPSS is useful for prioritisation, but confirmed exploitation should outrank probability-based scoring in operational decision-making.

Risk and Threat Considerations

CVE-2025-37164 is not just a software defect, it is a pre-authentication execution path on a management system. That combination makes it attractive for attackers who want fast foothold creation, privilege amplification, or pivot access into higher-value infrastructure managed by the platform.

Failure mechanism: A remote unauthenticated code injection condition can let an attacker execute commands through the vulnerable service before normal authentication or authorization checks can stop them, turning one exposed management endpoint into a system-level compromise path.

Impact: If abused, the flaw can expose management functions, support lateral movement, and create downstream control over the systems OneView administers, so compromise may extend well beyond the appliance itself.

Standards & Framework Alignment

This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.

NIST CSF 2.0, CIS Controls v8 and NIST SP 800-53 Rev 5 set the governance and control requirements practitioners need to meet.

Framework	Control / Reference	Relevance
NIST CSF 2.0	ID.RA-01 — Risk Identification	Supports identifying exposed HPE OneView assets and prioritizing the KEV-listed risk.
Recommendation — Identify the vulnerable management asset and prioritize response based on confirmed exploitation.
CIS Controls v8	CIS-7 — Continuous Vulnerability Management	Applies to tracking, prioritizing, and remediating an actively exploited CVE.
Recommendation — Accelerate remediation and verify exposure for all OneView instances.
NIST SP 800-53 Rev 5	RA-5 — Vulnerability Monitoring and Scanning	Directly supports finding and tracking the vulnerable product and its exposure state.
	SI-2 — Flaw Remediation	Supports prompt remediation of the code injection flaw once exploitation is confirmed.
	AC-6 — Least Privilege	Relevant because limiting access to the management plane reduces exploit impact and blast radius.
Recommendation — Scan for HPE OneView and confirm whether any instances remain reachable or unremediated. Apply vendor remediation and record exceptions only with time-bound mitigations. Restrict OneView access to the smallest admin set and segment the management plane.

Practitioner Guidance

What to prioritise: Verify whether OneView is internet-exposed, reachable from broad internal networks, or accessible through delegated admin paths. Exposure, not just patch status, should drive the first response.

What to verify: Check for signs of earlier compromise before and after remediation, especially unusual admin actions, new accounts, unexpected configuration changes, and suspicious outbound traffic from the appliance or related management hosts.

Decision rule: If the system can reach production infrastructure or privileged management domains, treat the event as a potential control-plane incident and rotate any adjacent credentials, sessions, or service access material that could have been visible to the appliance.

Practitioner takeaway: For KEV-listed management-plane flaws, the important judgement is whether the vulnerable system was reachable with enough privilege to matter, not whether an exploit was merely known.