What is CVE-2020-4377?

CVE-2020-4377 is a critical-severity vulnerability in Ibm Cognos Analytics, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.1/10. Published 2020-08-03.

How severe is CVE-2020-4377?

Critical severity. CVSS v3 base score is 9.1 out of 10.

XXE in Ibm Cognos Analytics

CVE-2020-4377

IBM Cognos Anaytics 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…

Vulnerability class: XXE (XML External Entity)

EPSS: 0.021 (79.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Ibm Cognos Analytics — versions 11.0, 11.1
Ibm Cognos_analytics — versions 11.0.0, 11.1.0

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

psirt@us.ibm.com (x_refsource_CONFIRM, Vendor Advisory)
psirt@us.ibm.com (VDB Entry, vdb-entry, Vendor Advisory, x_refsource_XF)

Frequently asked questions

What is CVE-2020-4377?: CVE-2020-4377 is a critical-severity vulnerability in Ibm Cognos Analytics, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.1/10. Published 2020-08-03.
How severe is CVE-2020-4377?: Critical severity. CVSS v3 base score is 9.1 out of 10.