EUVD-2026-62752
GHSA-f7gm-qc6x-vp7j
Severity by source
AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:A confirmed by adjacent-only reachability; PR:N per CVSS input and unauthenticated description; full C/I/A impact consistent with arbitrary OS command execution.
Primary rating from Vendor (ibm).
CVSS VectorNVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionNVD
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to command injection.
AnalysisAI
Command injection in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 enables an unauthenticated attacker with adjacent network access to execute arbitrary OS commands, achieving full compromise of confidentiality, integrity, and availability. The adjacent-network attack vector (AV:A) limits exposure to attackers already positioned on the same local network or VLAN as the affected system, which is a meaningful constraint in typical enterprise deployments of these platforms. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must be positioned on the same network segment or an adjacent routable network as the targeted IBM AIX 7.2/7.3 or PowerVM VIOS 4.1 system - the AV:A vector explicitly excludes exploitation from arbitrary internet sources. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 8.8 (High) reflects the severe impact triad (C:H/I:H/A:H) offset by the adjacent-network attack vector (AV:A) and low complexity (AC:L) with no required privileges (PR:N) or user interaction (UI:N). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who has gained a foothold on a host within the same network segment as an IBM AIX or VIOS management interface - for example, through a compromised workstation on a corporate LAN connected to a management VLAN - sends a specially crafted network request to the vulnerable service containing injected shell metacharacters. The AIX or VIOS system executes the injected command with the privileges of the running service, granting the attacker arbitrary code execution. … |
| Remediation | Apply the vendor-released patch by consulting IBM's support advisory at https://www.ibm.com/support/pages/node/7283858, which details the specific fix packages for AIX 7.2, AIX 7.3, and PowerVM VIOS 4.1. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, conduct inventory of all IBM AIX 7.2, 7.3, and PowerVM VIOS 4.1 systems in production and test environments; coordinate with infrastructure teams to assess network segmentation and prioritize systems exposed to untrusted networks. …
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Same weakness CWE-78 – OS Command Injection
View allSame technique Command Injection
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External POC / Exploit Code
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