VULNERABILITY INTELLIGENCE

CVE-2021-20556

CVSS score5.3 MEDIUM
EPSS probability0.46%
CISA KEVNot currently listed
Published2024-05-03
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Description

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.

Weakness classification

  • psirt@us.ibm.com: CWE-204
  • nvd@nist.gov: CWE-203

Primary references