Cryptographic Vulnerability in IBM Concert Affects Sensitive Data Security
CVE-2025-36253

5.9MEDIUM

Key Information:

Vendor

IBM
Status
Concert
Vendor
CVE Published:
2 February 2026

What is CVE-2025-36253?

IBM Concert versions 1.0.0 through 2.1.0 contain a cryptographic vulnerability that employs weaker-than-expected algorithms. This flaw exposes highly sensitive information to the risk of decryption by potential attackers, compromising data security and user privacy. The issue underscores the importance of robust encryption standards to protect against unauthorized data exposure.

Affected Version(s)

Concert 1.0.0 <= 2.1.0

References

https://www.ibm.com/support/pages/node/7257565
vendor-advisorypatch

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.