EUVD-2026-63735
GHSA-rxjq-gwp8-7mvc
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Network reachability and no-auth access are consistent with the description; AC:H retained as no straightforward exploitation path is documented; limited C and I impact aligns with path traversal read/write scope without full compromise.
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
3DescriptionNVD
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to bypass security restrictions due to improper limitation of a pathname to a restricted directory.
AnalysisAI
Path traversal in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 enables remote, unauthenticated attackers to bypass directory-based access controls by supplying manipulated pathname inputs that escape restricted filesystem boundaries. The vulnerability carries a CVSS 3.1 score of 4.8 (Medium) with high attack complexity (AC:H), which constrains opportunistic exploitation while still leaving targeted attacks viable without requiring credentials. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Remote network access to a service on IBM AIX 7.2, AIX 7.3, or IBM PowerVM VIOS 4.1 that processes user-supplied pathname input is required. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 4.8 (Medium) reflects network reachability (AV:N) substantially offset by high attack complexity (AC:H) and limited combined impact (C:L/I:L/A:N). … 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 | The primary remediation is to apply IBM's official fix as documented in the IBM support advisory at https://www.ibm.com/support/pages/node/7283858. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Improper authentication in IBM AIX 7.2 and 7.3, and in IBM PowerVM VIOS 4.1, allows a remote attacker to execute arbitra
Remote code execution in IBM AIX 7.2 and 7.3 (and IBM PowerVM VIOS 4.1) stems from a stack-based buffer overflow that le
Remote code execution in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 stems from a buffer overflow (out-of-bounds write) that a
Remote code execution in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 stems from a buffer overflow (out-of-bounds write) that a
Remote code execution in IBM AIX 7.2 and 7.3, and IBM PowerVM VIOS 4.1, stems from a stack-based buffer overflow (CWE-78
Same weakness CWE-22 – Path Traversal
View allSame technique Path Traversal
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External POC / Exploit Code
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