CVE-2020-4821 Information

Description

IBM InfoSphere Data Replication 11.4 and IBM InfoSphere Change Data Capture for z/OS 10.2.1 under certain configurations could allow a user to bypass authentication mechanisms using an empty password string. IBM X-Force ID: 189834

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://www.ibm.com/support/pages/node/6472909 https://www.ibm.com/support/pages/node/6472911 https://exchange.xforce.ibmcloud.com/vulnerabilities/189834

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8