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Security Bulletin: Authentication mechanism vulnerability affects IBM Connect:Direct for UNIX (CVE-2020-4747)

Security Bulletin


Summary

IBM Connect:Direct for UNIX can allow a local or remote user to obtain an authenticated CLI session due to improper authentication methods.

Vulnerability Details

CVEID:   CVE-2020-4747
DESCRIPTION:   IBM Connect:Direct for UNIX can allow a local or remote user to obtain an authenticated CLI session due to improper authentication methods.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/188516 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Sterling Connect:Direct for UNIX4.2.0
IBM Connect:Direct for UNIX6.0.0
IBM Connect:Direct for UNIX6.1.0
IBM Sterling Connect:Direct for UNIX4.3.0

Remediation/Fixes

V.R.M.F

APARRemediation
6.1.0IT35189Apply 6.1.0.2.iFix006, available in cumulative iFix008 on Fix Central
6.0.0IT35189Apply 6.0.0.2.iFix073, available in cumulative iFix074 on Fix Central
4.3.0IT35189Apply 4.3.0.1.iFix069, available Fix Central
4.2.0IT35189Apply 4.2.0.5.iFix048, available on Fix Central

 

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

The vulnerability was reported to IBM by Sabine Degen

Change History

11 Dec 2020: 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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location

Worldwide

[{"Business Unit":{"code":"BU055","label":"Cognitive Applications"},"Product":{"code":"SSKTYY","label":"IBM Sterling Connect:Direct for UNIX"},"Component":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"6.1.0, 6.0.0, 4.3.0, 4.2.0","Edition":"","Line of Business":{"code":"LOB02","label":"AI Applications"}}]

Document Information

Modified date:
16 December 2020

UID

ibm16381904