5.9Medium
Ibm Concert
CVE-2025-64649
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.
What this means for your business
- It affects Ibm Concert. It matters if your company, or a supplier that handles your data, runs it.
- An attacker can use it remotely, over a network, without a login, and without anyone at your company clicking anything.
What to do
- 1Check whether your company or your suppliers run Ibm Concert, and which version. The affected versions are listed further down this page.
- 2If you do, apply the vendor's fix. A patch or vendor advisory has been published.
Not sure if your company is exposed?
Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.
Scoring
- CVSS
- 5.9 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N- Weakness
- CWE-295
- Assigned by
- psirt@us.ibm.com
Dates
- Published
- 2026-08-28
- Last modified
- 2026-09-02
- Sources
- NVD
Affected products
- Ibm Concert1.0.0 - 2.3.1
- Linux Linux Kernelall versions
As listed in the NVD configuration data. Not a statement about your estate.