CVE-2025-33101: IBM Concert

Medium severity, CVSS 5.9. EPSS: 0.2% chance of exploitation in the next 30 days.

IBM Concert 1.0.0 through 2.1.0 could allow an attacker to obtain sensitive information using man in the middle techniques due to improper clearing of heap memory.

Affected products

• IBM Concert: from 1.0.0, before 2.2.0 (fixed in 2.2.0)

Published 2026-02-17. Last modified 2026-06-17.