IBM Concert 1.0.0-2.1.0 Weak Crypto Decryption Risk
CVE-2025-36253 Published on February 2, 2026
Multiple Vulnerabilities in IBM Concert Software.
IBM Concert 1.0.0 through 2.1.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.
Vulnerability Analysis
CVE-2025-36253 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
Use of a One-Way Hash without a Salt
The software uses a one-way cryptographic hash against an input that should not be reversible, such as a password, but the software does not also use a salt as part of the input.
Products Associated with CVE-2025-36253
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Affected Versions
IBM Concert:- Version 1.0.0, <= 2.1.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.