EUVD-2026-62723
GHSA-mj2m-j3g3-xq98
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Network-reachable unauthenticated trigger with low complexity; only availability is impacted, with no confidentiality or integrity effects applicable.
Primary rating from Vendor (ibm).
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
2DescriptionNVD
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
Denial of service in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 enables unauthenticated remote attackers to exhaust system resources via network-delivered input, fully disabling availability (CVSS A:H) without any confidentiality or integrity impact. The vulnerability is rooted in CWE-400 uncontrolled resource consumption, triggered from the network with no authentication or user interaction required (AV:N/AC:L/PR:N/UI:N). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms no special conditions are required on the attacker side - remote unauthenticated exploitation is possible against any network-reachable IBM AIX 7.2/7.3 or PowerVM VIOS 4.1 instance running the vulnerable service. … 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, score 7.5) presents a straightforward exploitation profile: network-accessible, low complexity, no authentication, no user interaction required. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An unauthenticated attacker with network access to a vulnerable AIX or VIOS host sends specially crafted network traffic to a susceptible service, triggering runaway resource consumption that degrades or halts the target. In a PowerVM environment, if VIOS is the target, all logical partitions depending on it for virtual I/O lose storage, network, or both until the host is recovered. … |
| Remediation | A vendor-released patch is available from IBM. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, query asset inventory to locate all systems running AIX 7.2, 7.3, or PowerVM VIOS 4.1 and classify by business criticality. …
Sign in for detailed remediation steps and compensating controls.
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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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