CVE-2021-20556

MEDIUM

IBM Cognos Controller <11.0.0 - Info Disclosure

Title source: llm
STIX 2.1

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.

References (2)

Scores

CVSS v3 5.3
EPSS 0.0007
EPSS Percentile 20.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-204 CWE-203
Status published
Products (3)
ibm/cognos_controller 10.4.1
ibm/cognos_controller 10.4.2
ibm/cognos_controller 11.0.0
Published May 03, 2024
Tracked Since Feb 18, 2026