CVE-2025-64645

Multiple Vulnerabilities in IBM Concert Software.

Published Dec 26, 2025 CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed
Description
IBM Concert 1.0.0 through 2.1.0 could allow a local user to escalate their privileges due to a race condition of a symbolic link.

Remediation

Vendor Solution

IBM strongly recommends addressing the vulnerabilities now by upgrading to IBM Concert Software 2.2.0 Download IBM Concert Software 2.2.0 from Container software library section of IBM Entitled Registry ( ICR https://myibm.ibm.com/products-services/containerlibrary ) and follow installation instructions https://www.ibm.com/docs/en/concert  depending on the type of deployment.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Time-of-check Time-of-use (TOCTOU) in IBM Concert Software. Multiple Vulnerabilities in IBM Concert Software.
Type Values Removed Values Added
CPEs cpe:2.3:a:ibm:concert:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description IBM Concert 1.0.0 through 2.1.0 could allow a local user to escalate their privileges due to a race condition of a symbolic link.
Title Time-of-check Time-of-use (TOCTOU) in IBM Concert Software.
First Time appeared Ibm
Ibm concert
Weaknesses CWE-367
CPEs cpe:2.3:a:ibm:concert:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:concert:2.1.0:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm concert
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Feb 26, 2026, 4:07 PM
Reserved
Nov 6, 2025, 6:13 PM
Status
Analyzed
Published
Dec 26, 2025, 3:15 PM
Modified
Oct 7, 2026, 1:10 PM