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Security Bulletin: A vulnerability in Apache HttpClient affects IBM Tivoli Business Service Manager (CVE-2020-13956)

Security Bulletin


Apache HttpClient is shipped with IBM Tivoli Business Manager 6.2.0 as part of is web service infrastructure. Information about security vulnerabilities affecting Apache HttpClient has been published in a security bulletin.

Vulnerability Details

CVEID:   CVE-2020-13956
DESCRIPTION:   Apache HttpClient could allow a remote attacker to bypass security restrictions, caused by the improper handling of malformed authority component in request URIs. By passing request URIs to the library as object, an attacker could exploit this vulnerability to pick the wrong target host for request execution.
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:N/I:L/A:N)

Affected Products and Versions

Affected Product(s) Version(s)
IBM Tivoli Business Service Manager 6.2.0


Product VRMF APAR Remediation
IBM Tivoli Business Service Manager 6.2.0 IJ32982 Upgrade to IBM Tivoli Business Service Manager

Workarounds and Mitigations


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Change History

12 Jul 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.


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":"SSSPFK","label":"Tivoli Business Service Manager"},"Component":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF033","label":"Windows"}],"Version":"6.2.0","Edition":"All Editions","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
05 October 2022