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Security Bulletin: Vulnerability in IBM Java SDK affects Cloud Pak System [CVE-2021-28167]

## Summary

Vulnerability in IBM Java SDK affects OS Image for Red Hat Linux Systems shipped with Cloud Pak System. Cloud Pak System has addressed vulnerability. [CVE-2021-28167]

## Vulnerability Details

** CVEID: **[CVE-2021-28167]()
** DESCRIPTION: **Eclipse Openj9 could allow a remote attacker to bypass security restrictions, caused by a flaw in the jdk.internal.reflect.ConstantPool API. By sending a specially-crafted request, an attacker could exploit this vulnerability to call static methods or access static members without running the class initialization method.
CVSS Base score: 6.5
CVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/200533]() for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

## Affected Products and Versions

Affected Product(s)| Version(s)
—|—
IBM Cloud Pak System Software Suite| 2.3.3.0
IBM Cloud Pak System| 2.3

## Remediation/Fixes

For unsupported version/release/platform IBM recommends upgrading to a fixed, supported /release/platform of the product. Notice for IBM Cloud Pak System W3700 (5725-X32), IBM Cloud Pak System W3500 (5725-Z16), IBM Cloud Pak System W3550 (5725-Z17), IBM Cloud Pak System Software v2.3.0.0, v2.3.1.0, IBM Cloud Pak System Software Suite v2.3.0.0, v2.3.1.0 as per IBM Withdrawal announcement [ENUS922-058]().

Cloud Pak System upgraded Java to IBM SDK Java 8.0.7.0 along with Cloud Pak System v2.3.3.4.

For IBM Cloud Pak System V2.3.0 through to V2.3.3.3 Interim Fix 1.

upgrade to IBM Cloud Pak System V2.3.3.4 or later at IBM Fix Central.

Information on upgrading at :

## Workarounds and Mitigations

None

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### References

[Complete CVSS v3 Guide]( “Link resides outside of ibm.com” )
[On-line Calculator v3]( “Link resides outside of ibm.com” )

Off

[Security Bulletin: Multiple Vulnerabilities in IBM Java SDK affect Cloud Pak System]( “Security Bulletin: Multiple Vulnerabilities in IBM Java SDK affect Cloud Pak System” )

# Security Bulletin: Multiple Vulnerabilities in IBM Java SDK affect Cloud Pak System

## Related Information

[IBM Secure Engineering Web Portal]()
[IBM Product Security Incident Response Blog]()

## Change History

04 Nov 2022: 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. In addition to other efforts to address potential vulnerabilities, IBM periodically updates the record of components contained in our product offerings. As part of that effort, if IBM identifies previously unidentified packages in a product/service inventory, we address relevant vulnerabilities regardless of CVE date. Inclusion of an older CVEID does not demonstrate that the referenced product has been used by IBM since that date, nor that IBM was aware of a vulnerability as of that date. We are making clients aware of relevant vulnerabilities as we become aware of them. “Affected Products and Versions” referenced in IBM Security Bulletins are intended to be only products and versions that are supported by IBM and have not passed their end-of-support or warranty date. Thus, failure to reference unsupported or extended-support products and versions in this Security Bulletin does not constitute a determination by IBM that they are unaffected by the vulnerability. Reference to one or more unsupported versions in this Security Bulletin shall not create an obligation for IBM to provide fixes for any unsupported or extended-support products or versions.

## Document Location

Worldwide

[{“Business Unit”:{“code”:”BU059″,”label”:”IBM Software w/o TPS”},”Product”:{“code”:”SSFQSV”,”label”:”IBM Cloud Pak System Software”},”Component”:””,”Platform”:[{“code”:”PF016″,”label”:”Linux”}],”Version”:”2.3″,”Edition”:””,”Line of Business”:{“code”:”LOB45″,”label”:”Automation”}}]Read More

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