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Security Bulletin: IBM InfoSphere Information Server is affected by a cross-site scripting vulnerability

Security Bulletin


A cross-site scripting vulnerability was addressed by IBM InfoSphere Information Server.

Vulnerability Details

CVEID:   CVE-2020-4298
DESCRIPTION:   IBM InfoSphere Information Server is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
CVSS Base score: 5.4
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)

Affected Products and Versions

Affected Product(s) Version(s)
InfoSphere Information Server, Information Server on Cloud 11.7
InfoSphere Information Server, Information Server on Cloud 11.5
InfoSphere Information Server 11.3


Product  VRMF  APAR  Remediation/First Fix
 InfoSphere Information Server,
 Information Server on Cloud
 11.7  JR62039

--Apply IBM InfoSphere Information Server version
--Apply IBM InfoSphere Information Server Fix Pack 1

 InfoSphere Information Server,
 Information Server on Cloud
 11.5  JR62039

--Upgrade to a release where the issue is fixed

InfoSphere Information Server  11.3  JR62039

--Upgrade to a release where the issue is fixed


Workarounds and Mitigations


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The vulnerability was reported to IBM by Lukasz Plonka

Change History

18 May 2020: Initial Publication
03 March 2021: For version 11.5 fix, upgrade to version

*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.


According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location


[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSZJPZ","label":"IBM InfoSphere Information Server"},"Component":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF033","label":"Windows"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"}],"Version":"11.7; 11.5; 11.3","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
12 March 2021