IBM Cognos Analytics 11.0 and 11.1 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data.

published 2019-11-09 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-12300

cvss: 8.3; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.8%; EPSS 1.8% chance of exploitation in 30 days, percentile 79%
public exploits: 0; none known

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.

Patch / fix

links 1

ibm.com/support/pages/node/1074144 advisory

Exploit prediction

1.84% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	8.3	CVSS:3.0/S:U/AV:N/AC:L/C:H/A:L/I:H/UI:N/PR:L/RC:C/E:U/RL:O
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.0	8.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
NVD	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

IBM Cognos Analytics

Classification

Weakness

CWE-91 XML Injection

References

ibm.com /support/pages/node/1074144
patch, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/147369
vdb-entry, vendor-advisory

Sources

CVE List CVE-2018-1721
NVD CVE-2018-1721

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary