EUVD-2026-62528
GHSA-q7gg-4qqf-fxw7
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Network-reachable, unauthenticated resource exhaustion with no confidentiality or integrity impact; only high availability loss.
Primary rating from Vendor (ibm).
CVSS VectorVendor: ibm
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
2DescriptionCVE.org
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to uncontrolled resource consumption.
AnalysisAI
Uncontrolled resource consumption in IBM AIX 7.2, 7.3 and PowerVM VIOS 4.1 exposes these systems to remote denial-of-service attacks requiring no authentication or user interaction. The CVSS vector AV:N/AC:L/PR:N/UI:N confirms any network-reachable attacker can trigger availability loss without special privileges. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special configuration or authentication is required - the CVSS vector AV:N/AC:L/PR:N/UI:N/S:U confirms unauthenticated remote exploitation against default configurations of IBM AIX 7.2/7.3 and PowerVM VIOS 4.1. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 7.5 High with vector AV:N/AC:L/PR:N/UI:N reflects a low-barrier exploitation profile - any attacker with network access can attempt this without credentials or victim interaction, making exploitation straightforward. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An unauthenticated remote attacker identifies a network-exposed IBM AIX 7.2/7.3 or PowerVM VIOS 4.1 system and sends a sustained flood of crafted network requests designed to trigger disproportionate resource allocation in the vulnerable component. As system resources - such as memory or connection table entries - are exhausted, the system becomes unresponsive and denies service to legitimate users and hosted workloads. … |
| Remediation | Apply the vendor-released patch documented in the IBM Security Advisory at https://www.ibm.com/support/pages/node/7283858. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: inventory all IBM AIX 7.2, 7.3 and PowerVM VIOS 4.1 systems in production and development environments, prioritizing those supporting critical business functions. …
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Same weakness CWE-400 – Uncontrolled Resource Consumption
View allSame technique Denial Of Service
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External POC / Exploit Code
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