What is CVE-2019-4588?

CVE-2019-4588 is a high-severity vulnerability in IBM Db2, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2021-05-26.

How severe is CVE-2019-4588?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in IBM Db2

CVE-2019-4588

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow a local user to execute arbitrary code and conduct DLL hijacking attacks.

Published 2021-05-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (19.9th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

IBM Db2 — versions 9.7, 10.1, 10.5
IBM Db2 For Linux, Unix And Windows — versions 10.5, 10.1, 9.7
Microsoft Windows

Weakness classification (CWE)

CWE-427 — Uncontrolled Search Path Element

References

www.ibm.com/support/pages/node/6456029 (Mitigation, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/167365 (VDB Entry, vdb-entry, Vendor Advisory)
security.netapp.com/advisory/ntap-20210629-0004/ (Third Party Advisory)

Frequently asked questions

What is CVE-2019-4588?: CVE-2019-4588 is a high-severity vulnerability in IBM Db2, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2021-05-26.
How severe is CVE-2019-4588?: High severity. CVSS v3 base score is 7.8 out of 10.