Security Bulletin: IBM Data Replication Management Console Authentication Affected by Annonymous Binding (CVE-2020-4821)

Security Bulletin

Summary

This bulletin covers a vulnerability found in the Management Console client under which authentication may be by-passed if configured to authenticate against LDAP directories allowing anonymous binding.

Vulnerability Details

CVEID: CVE-2020-4821
DESCRIPTION: IBM Cognos Controller, under certain configurations, could allow a user to bypass authentication mechanisms using an empty password string.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/189834 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM InfoSphere Change Data Capture for z/OS	10.2.1

Remediation/Fixes

Update to the latest offering fix pack found here:

https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%3FInformation%20Management&product=ibm/Information+Management/IBM+InfoSphere+Data+Replication&release=11.4&platform=All&function=all&source=fc

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

28 Jun 2021: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Tips

Security Bulletin: IBM Data Replication Management Console Authentication Affected by Annonymous Binding (CVE-2020-4821)