EUVD-2026-62871
GHSA-5mpc-4p97-jh8g
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description states remote command execution with no stated authentication, matching AV:N/AC:L/PR:N/UI:N; OS command injection yields full C/I/A impact on the vulnerable host.
Primary rating from Vendor (ibm).
CVSS VectorNVD
CVSS:3.1/AV:N/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 commands due to improper neutralization of special elements used in an OS command.
AnalysisAI
Remote OS command injection in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 allows a network attacker to execute arbitrary operating-system commands due to improper neutralization of special elements (CWE-78). The CVSS 3.1 base score is 9.8 with a network, no-privilege, no-interaction vector, and IBM has published a fix. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Per the CVSS vector (AV:N/AC:L/PR:N/UI:N), no special conditions - remote unauthenticated exploitation over the network with low complexity and no user interaction against affected IBM AIX 7.2/7.3 and PowerVM VIOS 4.1. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals align toward genuine priority rather than a paper-high score: the CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, 9.8) describes unauthenticated, low-complexity remote code execution with full confidentiality, integrity, and availability impact, and a vendor patch is already available. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker with network access to an exposed AIX or VIOS service sends a crafted request containing shell metacharacters in a field that is passed to an OS command, causing injected commands to run with the privileges of the vulnerable process. Given AV:N/AC:L/PR:N/UI:N, no authentication or user interaction is required, so this can be attempted directly against a reachable host. … |
| Remediation | Apply the vendor fix referenced in IBM's advisory at https://www.ibm.com/support/pages/node/7283858 (Patch available per vendor advisory); consult that page for the exact APAR/interim-fix or technology-level identifiers for AIX 7.2, AIX 7.3, and VIOS 4.1, as the input does not specify an exact patched version. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all systems running IBM AIX 7.2, 7.3, or PowerVM VIOS 4.1 across your infrastructure and assess their network exposure. …
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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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