How severe is CVE-2018-1721?

CVE-2018-1721 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-1721 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1721?

CVE-2018-1721 primarily affects Ibm Cognos Analytics. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-1721?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-1721 published?

CVE-2018-1721 was published on 2019-11-09 and last updated on 2026-06-17.

CVE-2018-1721

CVE-2018-1721 is a high-severity vulnerability in Ibm Cognos Analytics with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-91.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-91
Affected product: Ibm Cognos Analytics
Published: 2019-11-09
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2018-1721?: CVE-2018-1721 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-1721 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1721?: CVE-2018-1721 primarily affects Ibm Cognos Analytics. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-1721?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-1721 published?: CVE-2018-1721 was published on 2019-11-09 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:ibm:cognos_analytics:11.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cognos_analytics:11.1.0:*:*:*:*:*:*:*

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