CVE-2025-64649

Multiple Vulnerabilities in IBM Concert Software

Published Aug 28, 2026 CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Description
IBM Concert 1.0.0 through 2.3.1 could allow a remote attacker to perform unauthorized actions using man in the middle techniques due to improper certificate validation.

Remediation

Vendor Solution

IBM strongly recommends addressing the vulnerability now by upgrading to IBM Concert Software 3.0.0 Download IBM Concert Software 3.0.0 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
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:a:ibm:concert:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description IBM Concert 1.0.0 through 2.3.1 could allow a remote attacker to perform unauthorized actions using man in the middle techniques due to improper certificate validation.
Title Multiple Vulnerabilities in IBM Concert Software
First Time appeared Ibm
Ibm concert
Weaknesses CWE-295
CPEs cpe:2.3:a:ibm:concert:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:concert:2.3.1:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm concert
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Aug 31, 2026, 6:32 PM
Reserved
Nov 6, 2025, 6:13 PM
Status
Analyzed
Published
Aug 28, 2026, 10:16 PM
Modified
Oct 19, 2026, 10:10 PM