What is CVE-2018-1844?

CVE-2018-1844 is a high-severity vulnerability in IBM Filenet Content Manager, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.1/10. Published 2018-10-12.

How severe is CVE-2018-1844?

High severity. CVSS v3 base score is 7.1 out of 10.

XXE in IBM Filenet Content Manager

CVE-2018-1844

IBM FileNet Content Manager 5.2.1 and 5.5.0 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 150904.

Vulnerability class: XXE (XML External Entity)

Published 2018-10-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L.

EPSS exploit prediction

EPSS: 0.019 (78.3th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

IBM Filenet Content Manager — versions 5.2.1, 5.5.0
IBM Filenet Content Manager — versions 5.2.1, 5.5.0

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

exchange.xforce.ibmcloud.com/vulnerabilities/150904 (VDB Entry, vdb-entry, Vendor Advisory)
www.ibm.com/support/docview.wss (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2018-1844?: CVE-2018-1844 is a high-severity vulnerability in IBM Filenet Content Manager, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.1/10. Published 2018-10-12.
How severe is CVE-2018-1844?: High severity. CVSS v3 base score is 7.1 out of 10.