CVE-2025-36069
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Session Fixation in IBM Storage TS4500 Library

Publication date: 2026-10-19

Last updated on: 2026-10-28

Assigner: IBM Corporation

Description
IBM Storage TS4500 Library 1.1.1.6 through 1.12.0.3 does not invalidate session after a logout which could allow an authenticated user to impersonate another user on the system.

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Meta Information

Published
2026-10-19
Last Modified
2026-10-28
Generated
2026-11-09
AI Q&A
2026-10-20
EPSS Evaluated
2026-11-07
NVD
CVE-2025-36069
EUVD
EUVD-2025-211135

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
IBM Storage TS4500 Library 1.1.1.6

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-613 According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization."

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Executive Summary

This vulnerability is an improper session management issue in IBM Storage TS4500 Library versions 1.1.1.6 through 1.12.0.3. After a user logs out, the system fails to invalidate their session, allowing an authenticated user to impersonate another user.

Detection Guidance

This vulnerability involves improper session handling after logout in IBM Storage TS4500 Library. Detection requires checking for active sessions that persist after logout attempts. Monitor system logs for logout events and verify if sessions remain active. Check for multiple concurrent sessions from the same user account. Review authentication logs for unusual session activity.

Impact Analysis

An attacker with valid credentials could exploit this to access another user's session, potentially gaining unauthorized access to sensitive data or performing actions on behalf of that user.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating confidentiality requirements in GDPR and HIPAA. It may result in non-compliance due to potential data breaches or improper access controls.

Mitigation Strategies

Apply the latest IBM Storage TS4500 Library update to version 1.12.0.3 or later to address the session invalidation issue.

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