What is CVE-2018-1721?

CVE-2018-1721 is a high-severity vulnerability in IBM Cognos Analytics, classified under XML Injection (Blind XPath Injection). CVSS score: 8.8/10. Published 2019-11-09.

How severe is CVE-2018-1721?

High severity. CVSS v3 base score is 8.8 out of 10.

XPath Injection in IBM Cognos Analytics

CVE-2018-1721

IBM Cognos Analytics 11.0 and 11.1 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 cause the web server to make HTTP requests to arbitrary domains. IBM X-Force ID: 147369.

Published 2019-11-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (78.7th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

IBM Cognos Analytics — versions 11.0, 11.1
IBM Cognos Analytics — versions 11.0.0, 11.1.0

Weakness classification (CWE)

CWE-91 — XML Injection (Blind XPath Injection)

References

www.ibm.com/support/pages/node/1074144 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/147369 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2018-1721?: CVE-2018-1721 is a high-severity vulnerability in IBM Cognos Analytics, classified under XML Injection (Blind XPath Injection). CVSS score: 8.8/10. Published 2019-11-09.
How severe is CVE-2018-1721?: High severity. CVSS v3 base score is 8.8 out of 10.