What is CVE-2025-36377?

CVE-2025-36377 is a medium-severity vulnerability in IBM Qradar Edr, classified under Insufficient Session Expiration. CVSS score: 6.3/10. Published 2026-02-17.

How severe is CVE-2025-36377?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in IBM Qradar Edr

CVE-2025-36377

IBM Security QRadar EDR 3.12 through 3.12.23 does not invalidate session after a session expiration which could allow an authenticated user to impersonate another user on the system.

Published 2026-02-17 · last modified 2026-06-17.

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 (7.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

IBM Qradar Edr
IBM Security Qradar Edr — versions 3.12

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

www.ibm.com/support/pages/node/7260390 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-36377?: CVE-2025-36377 is a medium-severity vulnerability in IBM Qradar Edr, classified under Insufficient Session Expiration. CVSS score: 6.3/10. Published 2026-02-17.
How severe is CVE-2025-36377?: Medium severity. CVSS v3 base score is 6.3 out of 10.