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Security Bulletin: Vulnerabilities in OpenSSL affect IBM Integration Bus and IBM App Connect Enterprise (CVE-2020-1971).

Security Bulletin


Vulnerabilities in OpenSSL affect IBM Integration Bus and IBM App Connect Enterprsie. The DataDirect ODBC Drivers used by IBM App Connect Enterprise and IBM Integration Bus have addressed the applicable CVEs.

Vulnerability Details

CVEID:   CVE-2020-1971
DESCRIPTION:   OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference. If the GENERAL_NAME_cmp function contain an EDIPARTYNAME, an attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

IBM App Connect V11.0.0.0 - V11.0.0.11

IBM Integration Bus V10.0.0.0 -V10.0.0.23     

IBM Integration Bus V9.0.0.0 - V9.0.0.11


Remediation / Fix
IBM App Connect Enterprise V11.0.0.0-V11.0.0.11
The APAR is available in fix pack
IBM Integration BusV10.0.0.0 - V10.0.0.23IT36167
Interim fix for this APAR is available on IBM fix central
IBM Integration BusV9.0.0.0 - V9.0.0.10IT36167
Contact IBM support to request for Fix APAR

IBM Integration Bus  V9 is no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product.
If you are a customer with extended support and require a fix, contact IBM support.

Workarounds and Mitigations


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Change History

15 Apr 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


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Document Information

Modified date:
19 April 2021