What is CVE-2025-27898?

CVE-2025-27898 is a medium-severity vulnerability in IBM Db2 Recovery Expert, classified under Insufficient Session Expiration. CVSS score: 6.3/10. Published 2026-02-17.

How severe is CVE-2025-27898?

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

Vulnerability in IBM Db2 Recovery Expert

CVE-2025-27898

IBM DB2 Recovery Expert for LUW 5.5 Interim Fix 002 does not invalidate session after a timeout 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 (7.0th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.0% 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 Db2 Recovery Expert — versions 5.5.0
IBM Db2 Recovery Expert For Luw — versions 5.5 Interim Fix 002

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

www.ibm.com/support/pages/node/7259901 (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-27898?: CVE-2025-27898 is a medium-severity vulnerability in IBM Db2 Recovery Expert, classified under Insufficient Session Expiration. CVSS score: 6.3/10. Published 2026-02-17.
How severe is CVE-2025-27898?: Medium severity. CVSS v3 base score is 6.3 out of 10.