EUVD-2026-62874
GHSA-fr5c-wjc9-q28p
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local vector because exploitation requires an existing local account; PR:L because a standard user account suffices; full C/I/A because root access grants complete system control.
Primary rating from Vendor (ibm).
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/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 local attacker to obtain root privileges due to improper enforcement of RBAC authentication roles.
AnalysisAI
Local privilege escalation in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 enables a low-privileged authenticated user to gain root access by bypassing RBAC role enforcement. The flaw (CWE-269: Improper Privilege Management) means the operating system fails to correctly enforce the boundaries between assigned RBAC roles, allowing a standard user to assume or exercise privileges reserved for root. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an active local account on the affected system with the ability to run commands (PR:L per CVSS vector AV:L/AC:L/PR:L/UI:N). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.8 score with vector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H accurately reflects a serious but locally-bounded threat: the attack requires an existing local account, has no network vector, and needs no user interaction, with full confidentiality, integrity, and availability impact upon success. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A user with a standard low-privilege local account on an IBM AIX 7.2/7.3 or PowerVM VIOS 4.1 system exploits the RBAC enforcement gap to invoke or assume a role beyond their authorized assignment, obtaining root-level command execution. No public exploit code has been identified, but the low attack complexity (AC:L) suggests exploitation is straightforward once the specific bypass is known. … |
| Remediation | IBM has released a patch for this vulnerability; administrators should apply the vendor-provided fix as detailed in the IBM security 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, inventory all IBM AIX 7.2, 7.3, and PowerVM VIOS 4.1 systems to identify exposure scope and current patch status. …
Sign in for detailed remediation steps and compensating controls.
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IBM AIX contains an unspecified vulnerability that would allow a locally authenticated user to obtain root level privile
IBM AIX 5.3, 6.1, 7.1, and 7.2 contains an unspecified vulnerability that would allow a locally authenticated user to ob
IBM AIX 6.1, 7.1, and 7.2 could allow a local user to gain root privileges using a specially crafted command within the
lquerylv in cmdlvm in IBM AIX 5.3, 6.1, and 7.1 and VIOS 2.2.x allows local users to gain privileges via a crafted DBGCM
libodm.a in IBM AIX 5.3, 6.1, and 7.1 allows local users to overwrite arbitrary files via a symlink attack on a temporar
libodm.a in IBM AIX 6.1 and 7.1, and VIOS 2.2.x, allows local users to overwrite arbitrary files via a symlink attack on
IBM AIX 7.2 and 7.3 nimesis NIM master service could allow a remote attacker to execute arbitrary commands due to improp
OS command injection in IBM AIX 7.2 and 7.3 and in IBM PowerVM VIOS 4.1 lets a remote, authenticated attacker execute ar
OS command injection in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 lets a remote authenticated attacker run arbitrary commands
Remote code execution in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 allows an unauthenticated remote attacker to run a
Same weakness CWE-269 – Improper Privilege Management
View allSame technique Privilege Escalation
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External POC / Exploit Code
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