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Security Bulletin: Potential redirection to external site when using the the IBM Event Streams API (CVE-2018-1833)

Security Bulletin


There is a potential for IBM Event Streams API calls involving a paginated response to be redirected to an external site after the first page has been retrieved when subsequent pages are requested.

Vulnerability Details

CVEID: CVE-2018-1833
DESCRIPTION: IBM Event Streams could allow a remote attacker to submit an API request with a fake Host request header. An attacker, who has already gained authorised access via the CLI, could exploit this vulnerability to spoof the request header.
CVSS Base Score: 5.3
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N)

Affected Products and Versions

This vulnerability affects the following versions and releases of IBM Event Streams:

  • 2018.3.0


Upgrade to IBM Event Streams 2018.3.1 which is available from Passport Advantage.

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Change History

17 December 2018: original document published

*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.

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Document Information

Modified date:
17 December 2018