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Security Bulletin: Information disclosure for IBM Infosphere Global Name Management

Security Bulletin


There is a potential information disclosure vulnerability in Global Name Management when using Enterprise Name Search. The information disclosure is due to an XML external entity (XXE) vulnerability. Customers not using Enterprise Name Search are not affected.

Vulnerability Details

CVEID: CVE-2019-4433
DESCRIPTION: IBM InfoSphere Global Name Management is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.
CVSS Base Score: 7.1
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L)

Affected Products and Versions

IBM InfoSphere Global Name Management 6.0
IBM InfoSphere Global Name Management 5.0


IBM Infosphere Global Name Management 6.0
To fix this vulnerability:
  1. Create the file <ENS install root>/java/jre/lib/ . Typically there is already a file named in that directory, with all of its contents commented out. Copy that file to a file named, or create an empty file with that name. Then append the following lines to the end of the file:
# For security, do not allow external DTDs, schemas, or stylesheets
IBM Infosphere Global Name Management 5.0
To fix this vulnerability:
  1. Download and install IBM Infosphere Global Name Management iFix008 or greater from IBM Fix Central.

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The vulnerability was reported to IBM by Jose Castro Almeida.

Change History

09 August 2019: original document published
14 August 2019: Updated acknowledgement

*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


[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSEV5M","label":"InfoSphere Global Name Management"},"Component":"Enterprise Name Search","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"5.0;6.0","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
20 April 2022