Vulnerability in IBM Sterling Connect\

CVE-2025-36115

IBM Sterling Connect:Express Adapter for Sterling B2B Integrator 5.2.0.00 through 5.2.0.12 does not disallow the session id after use which could allow an authenticated user to impersonate another user on the system.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (4.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-36115: held from 0.001 to 0.002.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-36115?
CVE-2025-36115 is a medium-severity vulnerability in IBM Sterling Connect\, classified under Session Fixation. CVSS score: 6.3/10. Published 2026-01-20.
How severe is CVE-2025-36115?
Medium severity. CVSS v3 base score is 6.3 out of 10.