What is CVE-2018-1802?

CVE-2018-1802 is a high-severity vulnerability in IBM Db2, classified under Untrusted Search Path. CVSS score: 8.4/10. Published 2018-11-09.

How severe is CVE-2018-1802?

High severity. CVSS v3 base score is 8.4 out of 10.

Vulnerability in IBM Db2

CVE-2018-1802

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 binaries load shared libraries from an untrusted path potentially giving low privilege user full access to the DB2 instance account by loading a malicious shared library. IBM X-Force ID: 149640.

Published 2018-11-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (37.3th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

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

Weakness classification (CWE)

CWE-426 — Untrusted Search Path

References

www.securityfocus.com/bid/105962 (VDB Entry, Third Party Advisory, vdb-entry)
exchange.xforce.ibmcloud.com/vulnerabilities/149640 (VDB Entry, vdb-entry, Vendor Advisory)
www.securitytracker.com/id/1042082 (VDB Entry, Third Party Advisory, vdb-entry)
www.ibm.com/support/docview.wss (Vendor Advisory)

Frequently asked questions

What is CVE-2018-1802?: CVE-2018-1802 is a high-severity vulnerability in IBM Db2, classified under Untrusted Search Path. CVSS score: 8.4/10. Published 2018-11-09.
How severe is CVE-2018-1802?: High severity. CVSS v3 base score is 8.4 out of 10.