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CVE-2025-64649— Multiple Vulnerabilities in IBM Concert Software

Quick assessment

Affected
IBM Concert
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM Concert 1.0.0 至 2.3.1 版本存在安全漏洞，可能允许远程攻击者通过“中间人”（Man in the Middle, MITM）技术执行未授权的操作用途，其原因在于证书验证机制存在缺陷。

CVSS 5.9 · Medium

Possible ATT&CK Techniques 1 AI

T1557.002 · ARP Cache Poisoning
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I. Basic Information for CVE-2025-64649

Vulnerability Information
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Vulnerability Title
Multiple Vulnerabilities in IBM Concert Software
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM Concert 1.0.0 ~ 2.3.1 cpe:2.3:a:ibm:concert:1.0.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-64649

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III. Intelligence Information for CVE-2025-64649

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Same Patch Batch · IBM · 2026-08-28 · 16 CVEs total

CVE-2026-19295 9.9 CRITICAL Langflow is affected by multiple remote code execution vulnerabilities due to insufficient
CVE-2026-18527 9.9 CRITICAL IBM Application Runtime Expert (ARE) for IBM i is vulnerable to a user gaining elevated pr
CVE-2026-19286 9.8 CRITICAL Langflow is affected by multiple remote code execution vulnerabilities due to insufficient
CVE-2026-3627 9.1 CRITICAL Multiple Vulnerabilities in IBM Concert Software
CVE-2026-18729 8.8 HIGH Langflow is affected by multiple remote code execution vulnerabilities due to insufficient
CVE-2026-18904 8.2 HIGH Langflow is affected by multiple authentication bypass, path traversal, authorization, and
CVE-2026-18891 8.2 HIGH Langflow is affected by multiple authentication bypass, path traversal, authorization, and
CVE-2026-18899 7.5 HIGH Langflow is affected by multiple authentication bypass, path traversal, authorization, and
CVE-2026-17203 7.5 HIGH IBM Application Runtime Expert (ARE) for IBM i is vulnerable to a user gaining elevated pr
CVE-2026-16821 7.0 HIGH Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-19294 6.4 MEDIUM Langflow is affected by multiple authentication bypass, path traversal, authorization, and
CVE-2026-3686 6.2 MEDIUM Vulnerabilities exists in IBM Cloud Pak for Data System
CVE-2025-36290 5.9 MEDIUM IBM Integrated Analytics System (IIAS) is affected by improper SSL/TLS certificate validat
CVE-2025-36271 5.9 MEDIUM IBM Integrated Analytics System (IIAS) is affected by a predictable salt vulnerability in
CVE-2026-18545 4.3 MEDIUM Langflow is affected by multiple authentication bypass, path traversal, authorization, and

IV. Related Vulnerabilities

Same product: Concert
Same vendor: IBM
Same weakness: CWE-295

V. Comments for CVE-2025-64649

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