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CVE-2025-36251

IBM Vios remote code execution

9.6 CRITICALEPSS 0.54%
  1. Published13 Nov 2025

Description

IBM AIX 7.2, and 7.3 and IBM VIOS 3.1, and 4.1 nimsh service SSL/TLS implementations could allow a remote attacker to execute arbitrary commands due to improper process controls. This addresses additional attack vectors for a vulnerability that was previously addressed in CVE-2024-56347.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L

Affected products

IBM Vios3.1.0 · 4.1.0
IBM Aix7.2 · 7.3

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2025-36251 being actively exploited?

CVE-2025-36251 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.54%.

How severe is CVE-2025-36251?

CVE-2025-36251 has a CVSS 3.1 base score of 9.6, rated critical. EPSS estimates a 0.54% probability of exploitation.

Which products are affected by CVE-2025-36251?

Affected products include IBM Vios, IBM Aix.

How do I fix CVE-2025-36251?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-36251 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.