What is CVE-2018-16957?

CVE-2018-16957 is a critical-severity vulnerability in Oracle Webcenter Interaction, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2018-09-18.

How severe is CVE-2018-16957?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Oracle Webcenter Interaction

CVE-2018-16957

The Oracle WebCenter Interaction 10.3.3 search service queryd.exe binary is compiled with the i1g2s3c4 hardcoded password. Authentication to the Oracle WCI search service uses this hardcoded password and cannot be customised by customers. An adversary able to access this service over a network could perform search queries to extract large quantities of sensitive information from the WCI installation. NOTE: this CVE is assigned by MITRE and isn't validated by Oracle because Oracle WebCenter Interaction Portal is out of support.

Published 2018-09-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.034 (88.6th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.034 · newest: 0.034 · change: 0.000

Affected products

Oracle Webcenter Interaction — versions 10.3.3

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

seclists.org/fulldisclosure/2018/Sep/22 (Mailing List, Third Party Advisory)
www.securityfocus.com/bid/105350 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2018-16957?: CVE-2018-16957 is a critical-severity vulnerability in Oracle Webcenter Interaction, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2018-09-18.
How severe is CVE-2018-16957?: Critical severity. CVSS v3 base score is 9.8 out of 10.