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Security Bulletin: IBM Process Federation Server REST API is subject to DoS attacks

Security Bulletin


IBM Process Federation Server Global Teams REST API does not properly shut down the thread pools that it creates, leading to OutOfMemory exceptions, and could be targeted by DoS attacks.

Vulnerability Details

CVEID:   CVE-2020-4325
DESCRIPTION:   The IBM Process Federation Server Global Teams REST API does not properly shutdown the thread pools that it creates to retrieve Global Teams information from the federated systems. As a consequence, the Java Virtual Machine can't recover the memory used by those thread pools, which leads to an OutOfMemory exception when the Process Federation Server Global Teams REST API is used extensively.
CVSS Base score: 6.5
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Automation Workstream Services in Cloud Pak for Automation19.0.3
IBM Process Federation Server18.0.0.1 to included


Fixed Product(s)Version(s)
IBM Automation Workstream Services in Cloud Pak for Automation20.0.1
IBM Process Federation Server20.0.1

iFixes for APAR JR62105 can also be installed on IBM Process Federation Server version to included in order to fix the vulnerability.

Workarounds and Mitigations


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Change History

1 April 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.


Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location


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Document Information

Modified date:
01 April 2020