CVE-2018-1721

Name: CVE-2018-1721
Creator: NVD / NIST
Published: 2019-11-09T02:15:10.6+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.84%

Last modified Jun 17, 2026

CVE-2018-1721 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 1.84% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.84%

76.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-91

Affected Software

Vendor	Product	Versions
Ibm	Cognos Analytics	11.0.0
Ibm	Cognos Analytics	11.1.0

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/147369VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/1074144Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/147369VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/1074144Patch, Vendor Advisory

Timeline

Published: Nov 9, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1721?

How severe is CVE-2018-1721?

CVE-2018-1721 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.84% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1721?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1721?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST