EUVD-2026-62520
GHSA-44j6-ff62-j2vq
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Network-accessible unauthenticated DoS with no user interaction; impact is availability-only with unchanged scope, directly consistent with the uncontrolled resource consumption description.
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
Remote denial-of-service in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 enables an unauthenticated network attacker to exhaust system resources and crash or severely degrade affected hosts. The root cause is uncontrolled resource consumption (CWE-400), exploitable without authentication or user interaction via a network-accessible service. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special configuration or elevated privileges are required - the CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms remote unauthenticated exploitation against IBM AIX 7.2, 7.3, and PowerVM VIOS 4.1 without user interaction. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) signals a high-priority availability threat with low attack complexity and no authentication barrier, making any internet-exposed AIX or VIOS system a viable target. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An unauthenticated remote attacker sends a stream of specially crafted network requests to a vulnerable IBM AIX or PowerVM VIOS host, causing the targeted service to continuously allocate system resources without releasing them. As memory, CPU, or connection-table capacity is exhausted, the host becomes unresponsive or crashes - and in the VIOS case, all dependent logical partitions lose I/O services simultaneously. … |
| Remediation | A vendor-released patch is available from IBM; organizations should consult the advisory at https://www.ibm.com/support/pages/node/7283858 for exact fix versions, applicable maintenance levels, and installation procedures. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all IBM AIX 7.2, 7.3, and PowerVM VIOS 4.1 systems in your environment and locate the vendor patch via IBM advisory node/7283858. …
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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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