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Vulnerability record · CVE-2020-4877 · published 21 January 2022

CVE-2020-4877: Ibm cognos controller incorrect authorization vulnerability

Ibm · Cognos Controller

IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 could be vulnerable to unauthorized modifications by using public fields in public classes. IBM X-Force ID: 190843.

9.8 CVSS 3.1 Critical EPSS 0.90% · top 42.0% CWE-863 · Incorrect authorization
9.8CVSS 3.1 base score, v2 7.5
0.90%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 could be vulnerable to unauthorized modifications by using public fields in public classes. IBM X-Force ID: 190843.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://exchange.xforce.ibmcloud.com/vulnerabilities/190843 VDB EntryVendor Advisory
https://www.ibm.com/support/pages/node/6509856 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/190843 VDB EntryVendor Advisory
https://www.ibm.com/support/pages/node/6509856 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-4877), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.