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

published 2021-05-31 5y ago modified 2026-06-17 4mo ago also EUVD-2020-25547

cvss: 8.2; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 4.0%; EPSS 4.0% chance of exploitation in 30 days, percentile 90%
public exploits: 0; none known

IBM Cognos Analytics 11.0 and 11.1 is vulnerable to an 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: 176607.

Patch / fix

links 1

ibm.com/support/pages/node/6451705 advisory

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Exploit prediction

4.04% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	8.2	CVSS:3.0/AV:N/UI:N/A:L/AC:L/C:H/PR:N/S:U/I:N/E:U/RL:O/RC:C
NVD	3.1	8.2	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
CNA	3.0	8.2	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
NVD	2.0	6.4	AV:N/AC:L/Au:N/C:P/I:N/A:P

Affected products

IBM Cognos Analytics

Classification

Weakness

CWE-611 Improper Restriction of XML External Entity Reference

References

ibm.com /support/pages/node/6451705
patch, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/176607
vdb-entry, vendor-advisory
security.netapp.com /advisory/ntap-20210622-0004/
third-party-advisory

Sources

CVE List CVE-2020-4300
NVD CVE-2020-4300

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