What is CVE-2025-33015?

CVE-2025-33015 is a high-severity vulnerability in Ibm Concert, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-01-20.

How severe is CVE-2025-33015?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in Ibm Concert

CVE-2025-33015

IBM Concert 1.0.0 through 2.1.0 is vulnerable to malicious file upload by not validating the content of the file uploaded to the web interface.

Vulnerability class: Unrestricted File Upload

EPSS: 0.001 (23.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Ibm Concert — versions 1.0.0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

www.ibm.com/support/pages/node/7257006 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2025-33015?: CVE-2025-33015 is a high-severity vulnerability in Ibm Concert, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-01-20.
How severe is CVE-2025-33015?: High severity. CVSS v3 base score is 8.8 out of 10.