IBM Informix Dynamic Server Privilege Escalation Vulnerability in oninit Utility

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-13367
StatePUBLISHED
Assigneribm
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-12 21:17:35 UTC
Updated2026-08-18 14:47:40 UTC
DescriptionIBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit setuid-root utility.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.001000000 probability, percentile 0.009930000 (date 2026-08-18)

Problem Types: CWE-284 | CWE-284 CWE-284 Improper Access Control

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux - All All All
Operating System Hp Hp-ux - All All All
Operating System Ibm Aix - All All All
Application Ibm Informix Dynamic Server 14.10 All All All
Application Ibm Informix Dynamic Server 15.0 All All All
Operating System Ibm Linux On Ibm Z - All All All
Operating System Linux Linux Kernel - All All All
Operating System Novell Suse Linux - All All All
Operating System Oracle Solaris - All All All
Operating System Redhat Desktop - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA IBM Informix Dynamic Server affected 14.10 Not specified
CNA IBM Informix Dynamic Server affected 15.0 Not specified

References

ReferenceSourceLinkTags
www.ibm.com/support/pages/node/7282829 [email protected] www.ibm.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: The issue has been fixed in IBM Informix versions 14.10.xC13W13 and 15.0.1.14.  * Fixes are available on  IBM Fix Central - Select Fixes - Informix Server https://www.ibm.com/support/fixcentral/swg/selectFixes .  * Follow the instructions for  Database server upgrades https://www.ibm.com/docs/en/informix-servers/14.10  in the Informix Servers documentation.

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