EUVD-2026-63701
GHSA-5gx7-rp3r-m325
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Network-exposed unauthenticated service, no interaction needed, confidentiality-only impact with no integrity or availability effect confirmed by description.
Primary rating from Vendor (ibm).
CVSS VectorNVD
Lifecycle Timeline
6DescriptionNVD
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to obtain sensitive information due to improper authentication.
AnalysisAI
Sensitive information disclosure affects IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 via improper authentication (CWE-287), allowing unauthenticated remote attackers to obtain confidential data over the network. The CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms exploitation requires no credentials and no user interaction, making it trivially reachable from any network-adjacent position. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special authentication or user interaction is required - the CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms exploitation is possible by an unauthenticated remote attacker against any network-exposed instance of the affected service on IBM AIX 7.2, AIX 7.3, or PowerVM VIOS 4.1. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.5 score is well-supported by the network-accessible, no-authentication, no-interaction vector (AV:N/AC:L/PR:N/UI:N), with high confidentiality impact and no integrity or availability loss. … 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, available via the official 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, audit your infrastructure to identify all AIX 7.2, 7.3, and PowerVM VIOS 4.1 deployments and immediately restrict network access to these systems to only trusted management and operational networks. …
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Same weakness CWE-287 – Improper Authentication
View allSame technique Authentication Bypass
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External POC / Exploit Code
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