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Security Bulletin: XML External Entity Injection Security Vulnerability Affects IBM Sterling B2B Integrator (CVE-2019-4043)

Security Bulletin


IBM Sterling B2B Integrator Standard Edition has addressed the XML External Entity Injection vulnerability

Vulnerability Details

CVEID: CVE-2019-4043
DESCRIPTION: IBM Sterling B2B Integrator Standard Edition 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 Sterling B2B Integrator 5.2.x,


PRODUCT & Version



IBM Sterling B2B Integrator


Apply IBM Sterling B2B Integrator version available on FixCentral

IBM Sterling B2B Integrator 5.2.x IT19755 Apply IBM Sterling B2B Integration version available on   FixCentral

Workarounds and Mitigations


Get Notified about Future Security Bulletins



Change History

21 March 2019: Revised Version Published
28 March 2019: Revised Version Published - Remediated FixCentral Information

*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.

Internal Use Only

PSIRT product record 129233
21 March 2019: Revised Version Published removing references to anything below
28 March 2019: Added draft content for 5.2.6 support
29th March 2019 : Usha- Updated fixcentral links for 6001 and 5264_1

Document Location


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Document Information

Modified date:
04 February 2020