CVE-2025-36421

Medium CVSS 5.9

Published 2026-09-18 · last changed 2026-09-19

The fix

We hold no Microsoft remediation data for CVE-2025-36421, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

IBM Controller 11.0.0 through 11.0.1 FP7, and 11.1.0 through 11.1.3 FP1 transmits data in clear text that could allow an attacker to obtain sensitive information using man in the middle techniques.

Sources

NVD record for CVE-2025-36421

CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N