Medium severity · published Mar 25, 2026
CVE-2025-64646
Multiple Vulnerabilities in IBM Concert Software
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
IBM Concert 1.0.0 through 2.2.0 could allow an attacker to access sensitive information in memory due to the buffer not properly clearing resources.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Concert · IBM
1.0.0 through 2.2.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-64646
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-64646
Vendor Advisory
https://www.ibm.com/support/pages/node/7267105
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