CVE-2021-20556

CVSS 3.1 Score 5.3 of 10 (medium)

Details

Published May 3, 2024
Updated: May 6, 2024
CWE ID 204

Summary

CVE-2021-20556 is a vulnerability affecting IBM Cognos Controller versions 10.4.1, 10.4.2, and 11.0.0. An attacker can exploit this issue to enumerate usernames through differentiating error messages for existing usernames, making it easier to launch targeted attacks. IBM X-Force has assigned this vulnerability the ID 199181. This flaw could potentially lead to unauthorized access or privilege escalation, posing a significant risk to organizational security. IBM strongly advises users to upgrade to a patched version as soon as possible to mitigate this threat.

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Affected Products

  • IBM Cognos Controller

Affected Vendors

  • IBM Corporation

Advisories, Assessments, and Mitigations

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