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Security Bulletin: Apache Log4j (CVE-2021-44228) vulnerability in IBM Engineering Systems Design Rhapsody (Rhapsody)

Security Bulletin


IBM Engineering Systems Design Rhapsody (Rhapsody) components, Knowledge Center and Test Conductor are impacted by the Apache Log4j vulnerability (CVE-2021-44228). Customers are encouraged to take quick action to apply fix.

Vulnerability Details

CVEID:   CVE-2021-44228
DESCRIPTION:   Apache Log4j could allow a remote attacker to execute arbitrary code on the system, caused by the failure to protect against attacker controlled LDAP and other JNDI related endpoints by JNDI features. By sending a specially crafted code string, an attacker could exploit this vulnerability to load arbitrary Java code on the server and take complete control of the system. Note: The vulnerability is also called Log4Shell or LogJam.
CVSS Base score: 10
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Engineering Systems Design Rhapsody8.4, 9.0, 9.0.1


IBM strongly recommends addressing the vulnerability now by upgrading.


For IBM Engineering Systems Design Rhapsody follow the instructions to apply the following fixes:

1. The Knowledge Center Component for a Locally installed Help Server (KCCI) that is (optionally) installed and configured for the following products: IBM Engineering Systems Design Rhapsody Versions 8.4, 9.0, 9.0.1 select the appropriate version link below and follow the instructions from the support page.


2. Next For IBM Engineering Systems Design Rhapsody Versions 9.0, 9.0.1 you will need to also update the Test Conductor component. Click the Link for the Version you have installed

4. Download the patch file and readme.txt file, then follow the instructions in the readme.txt to apply the fix.

Workarounds and Mitigations


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Change History

15 Dec 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.


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


[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SS7P9W","label":"Rational Rhapsody"},"Component":"","Platform":[{"code":"PF033","label":"Windows"},{"code":"PF016","label":"Linux"}],"Version":"8.4, 9.0, 9.0.1","Edition":"","Line of Business":{"code":"LOB02","label":"AI Applications"}}]

Document Information

Modified date:
17 December 2021