CVE-2020-4821

Published: Jul 16, 2021Modified: Jun 17, 2026

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: NVD

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

Affected (5)

Products: Ibm: Infosphere Data Replication, Infosphere Change Data Capture

Ibm

2 products

Infosphere Data Replication

Infosphere Change Data Capture

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Ibm Infosphere Data Replication	Version 11.4.0
Ibm Infosphere Data Replication	Version 11.4

Configuration B

3 vulnerable

Vulnerable Software	Affected Versions
Ibm Infosphere Change Data Capture	Version 10.2.1
Ibm Infosphere Change Data Capture	Version 11.3.3
Ibm Infosphere Change Data Capture	Version 11.4

Related CWEs

CWE-287

Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

References (6)

https://exchange.xforce.ibmcloud.com/vulnerabilities/189834

Source: psirt@us.ibm.com

VDB EntryVendor Advisory

https://www.ibm.com/support/pages/node/6472909

Source: psirt@us.ibm.com

PatchVendor Advisory

https://www.ibm.com/support/pages/node/6472911

Source: psirt@us.ibm.com

PatchVendor Advisory

https://exchange.xforce.ibmcloud.com/vulnerabilities/189834

Source: af854a3a-2127-422b-91ae-364da2661108

VDB EntryVendor Advisory

https://www.ibm.com/support/pages/node/6472909

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

https://www.ibm.com/support/pages/node/6472911

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

No history available yet.