CVE-2025-36253
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
5.9
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.
- Record
CVE-2025-36253- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-759
- Updated
- 2026-11-02
EUVDEUVD-2025-206789
5.9
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.
- Record
EUVD-2025-206789- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9cpp-gf7m-944g
5.9
IBM Concert 1.0.0 through 2.1.0 uses weaker than expected cryptographic algorithms that could...
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.
- Record
GHSA-9cpp-gf7m-944g- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-759
- Updated
- 2026-11-02
NVD
5.9
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.
- Record
CVE-2025-36253- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-759
- Updated
- 2026-11-02
OSV
7.5
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.
- Record
CVE-2025-36253- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-36253 is a medium vulnerability (CVSS 5.9) in Ibm Concert, published February 2, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 13th percentile. No source names a fixed version.