CVE-2026-105453
Received Received - Intake

Privilege Escalation in IBM Sterling Connect Direct for Unix

Publication date: 2026-10-20

Last updated on: 2026-10-20

Assigner: IBM Corporation

Description
IBM Sterling Connect Direct for Unix 6.3.0.0 through 6.3.0.7 and 6.4.0.0 through 6.4.0.6 could allow a local attacker to gain elevated privileges due to improper privilege management.

CVSS Scores

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Meta Information

Published
2026-10-20
Last Modified
2026-10-20
Generated
2026-10-20
AI Q&A
2026-10-20
EPSS Evaluated
N/A
NVD
CVE-2026-105453
EUVD
EUVD-2026-104677

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
IBM Sterling Connect Direct for Unix 6.3.0.0
IBM Sterling Connect Direct for Unix 6.4.0.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-269 The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Attack-Flow Graph

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Executive Summary

CVE-2026-105453 is an improper privilege management vulnerability in IBM Sterling Connect:Direct for UNIX. It affects the statistics file archive feature and could allow a local attacker to gain elevated privileges. The flaw exists in versions 6.3.0.0 through 6.3.0.7.iFix029 and 6.4.0.0 through 6.4.0.6.iFix020.

Detection Guidance

Check installed versions of IBM Sterling Connect:Direct for Unix against affected ranges (6.3.0.0-6.3.0.7, 6.4.0.0-6.4.0.6). Verify if the statistics file archive feature is enabled. Review system logs for unusual privilege escalation attempts or unauthorized access to privileged directories.

Impact Analysis

A local attacker could exploit this to gain higher privileges on the system, potentially accessing sensitive data or performing unauthorized actions. The high CVSS score of 8.4 indicates significant risk to confidentiality and integrity.

Mitigation Strategies

Apply the latest fixes: for version 6.3, upgrade to 6.3.0.7.iFix030 or later; for version 6.4, upgrade to 6.4.0.6.iFix021 or later. Disable the statistics file archive feature if not required. Restrict local user access to privileged directories and monitor for suspicious activity.

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