What is CVE-2020-4879?

CVE-2020-4879 is a critical-severity vulnerability in Ibm Cognos Controller, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-01-21.

How severe is CVE-2020-4879?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Ibm Cognos Controller

CVE-2020-4879

IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 could allow a remote attacker to bypass security restrictions, caused by improper validation of authentication cookies. IBM X-Force ID: 190847.

Vulnerability class: Broken Authentication

EPSS: 0.015 (71.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ibm Cognos Controller — versions 10.4.0, 10.4.1, 10.4.2
Ibm Cognos_controller — versions 10.4.0, 10.4.1, 10.4.2
Microsoft Windows

Weakness classification (CWE)

CWE-287 — Improper Authentication

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-2020-4879?: CVE-2020-4879 is a critical-severity vulnerability in Ibm Cognos Controller, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-01-21.
How severe is CVE-2020-4879?: Critical severity. CVSS v3 base score is 9.8 out of 10.