EUVD-2026-63698
GHSA-28mg-g63p-pff3
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Local attack requiring low-privilege shell access; only availability impacted through resource exhaustion; no confidentiality or integrity loss; scope unchanged as impact is confined to the vulnerable system.
Primary rating from Vendor (ibm).
CVSS VectorVendor: ibm
Lifecycle Timeline
2DescriptionCVE.org
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to cause a denial of service due to uncontrolled resource consumption.
AnalysisAI
Uncontrolled resource consumption in IBM AIX 7.2 and 7.3, and IBM PowerVM VIOS 4.1, enables a local low-privileged attacker to exhaust system resources and trigger a denial of service condition. The vulnerability is classified under CWE-400 and carries a CVSS 3.1 base score of 5.5 with a local attack vector requiring low privileges. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated local user account on the affected IBM AIX 7.2/7.3 or PowerVM VIOS 4.1 system - confirmed by the CVSS vector PR:L (low-privilege authenticated access) and AV:L (local attack vector). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) characterizes this as a local, low-complexity denial-of-service requiring only a standard user account - no special configuration or user interaction needed. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | IBM has released a patch for this vulnerability; organizations should consult the official IBM advisory at https://www.ibm.com/support/pages/node/7283858 to obtain the specific fix level for AIX 7.2, AIX 7.3, and PowerVM VIOS 4.1. … Detailed patch versions, workarounds, and compensating controls in full report. |
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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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