CVE-2025-36421
Multiple vulnerabilities in IBM Controller
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.
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 Controller
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.
- Record
CVE-2025-36421- 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-319
- Updated
- 2026-11-02
EUVDEUVD-2025-210960
5.9
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.
- Record
EUVD-2025-210960- 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-4fr9-cr7w-7w6w
5.9
IBM Controller 11.0.0 through 11.0.1 FP7, and 11.1.0 through 11.1.3 FP1 transmits data in clear...
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.
- Record
GHSA-4fr9-cr7w-7w6w- 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-319
- Updated
- 2026-11-02
NVD
5.9
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.
- Record
CVE-2025-36421- 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-319
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-36421 is a medium vulnerability (CVSS 5.9) in Ibm Controller, published September 18, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 10th percentile. No source names a fixed version.