Vulnerability Database

290,020

Total vulnerabilities in the database

CVE-2021-20556

IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 could allow a remote user to enumerate usernames due to differentiating error messages on existing usernames. IBM X-Force ID: 199181.

  • Published: May 3, 2024
  • Updated: May 4, 2025
  • CVE: CVE-2021-20556
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.3
  • AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CWEs:

Software From Fixed in
ibm / cognos_controller 10.4.1 10.4.1.x
ibm / cognos_controller 10.4.2 10.4.2.x
ibm / cognos_controller 11.0.0 11.0.0.x