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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/199181	Vendor Advisory
https://www.ibm.com/support/pages/node/7149876	Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/199181	Vendor Advisory
https://www.ibm.com/support/pages/node/7149876	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ibm:cognos_controller:10.4.1:::::::*
	cpe:2.3:a:ibm:cognos_controller:10.4.2:::::::*
	cpe:2.3:a:ibm:cognos_controller:11.0.0:::::::*

History

07 Jan 2025, 18:20

Type	Values Removed	Values Added
CPE		cpe:2.3:a:ibm:cognos_controller:11.0.0:::::::* cpe:2.3:a:ibm:cognos_controller:10.4.1:::::::* cpe:2.3:a:ibm:cognos_controller:10.4.2:::::::*
First Time		Ibm cognos Controller Ibm
CWE		CWE-203
References	~~() https://exchange.xforce.ibmcloud.com/vulnerabilities/199181 -~~	() https://exchange.xforce.ibmcloud.com/vulnerabilities/199181 - Vendor Advisory
References	~~() https://www.ibm.com/support/pages/node/7149876 -~~	() https://www.ibm.com/support/pages/node/7149876 - Vendor Advisory

Information

Published : 2024-05-03 18:15

Updated : 2025-01-07 18:20

NVD link : CVE-2021-20556

Mitre link : CVE-2021-20556

CVE.ORG link : CVE-2021-20556

JSON object : View

Products Affected

ibm

cognos_controller

CWE

CWE-204

Observable Response Discrepancy

CWE-203

Observable Discrepancy

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