CVE-2021-20556 — Observable Response Discrepancy in IBM Cognos Controller

CWE-204 — Observable Response DiscrepancyCWE-203 — Observable Discrepancy3 documents3 sources
Severity
5.3MEDIUMNVD
EPSS
0.1%
top 78.98%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
IBM Cognos Controller
Timeline
PublishedMay 3

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages2 packages

▶CVEListV5ibm/cognos_controller10.4.1, 10.4.2, 11.0.0
▶NVDibm/cognos_controller10.4.1, 10.4.2, 11.0.0+2

🔴Vulnerability Details

2
GHSA
GHSA-4grf-x53v-r95x: IBM Cognos Controller 10↗2024-05-03
▶
CVEList
IBM Cognos Controller information disclosure↗2024-05-03
▶
CVE-2021-20556 — Observable Response Discrepancy in IBM | cvebase