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Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect IBM WebSphere Cast Iron Solution & App Connect Professional

Security Bulletin


There are multiple vulnerabilities in IBM® SDK Java™ Technology Edition, which are used by IBM Cast Iron Solution & App Connect Professional . These issues were disclosed as part of the IBM Java SDK updates in January 2021, IBM Cast Iron & App Connect Professional have addressed the applicable CVEs.

Vulnerability Details

CVEID:   CVE-2020-14803
DESCRIPTION:   An unspecified vulnerability in Java SE could allow an unauthenticated attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors.
CVSS Base score: 5.3
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID:   CVE-2020-27221
DESCRIPTION:   Eclipse OpenJ9 is vulnerable to a stack-based buffer overflow when the virtual machine or JNI natives are converting from UTF-8 characters to platform encoding. By sending an overly long string, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base score: 9.8
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

 IBM WebSphere Cast Iron Solution v,,

App Connect Professional  v

App Connect Professional  v

App Connect Professional  v


ProductVRMFAPARRemediation/First Fix
 IBM WebSphere Cast Iron Solution7.5.0.0
 LI819777510 fixcentral Link
App Connect Professional7.5.2.0LI819777520 Fixcentral link
App Connect Professional7.5.3.0LI820287530 Fixcentral link
App Connect Professional7.5.4.0LI820287540 Fixcentral link

Workarounds and Mitigations


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Change History

17 Mar 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 March 2021