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Security Bulletin: Open Redirect Vulnerability in IBM WebSphere Portal (CVE-2017-1156)

Security Bulletin


Fixes are available for an Open Redirect Vulnerability in IBM WebSphere Portal (CVE-2017-1156).

Vulnerability Details

CVEID: CVE-2017-1156
IBM WebSphere Portal could allow a remote attacker to conduct phishing attacks, using an open redirect attack. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to spoof the URL displayed to redirect a user to a malicious Web site that would appear to be trusted. This could allow the attacker to obtain highly sensitive information or conduct further attacks against the victim.
CVSS Base Score: 7.4
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N)

Affected Products and Versions

IBM WebSphere Portal 9.0
IBM WebSphere Portal 8.5


Product VRMF APARs Fix
IBM WebSphere Portal 9.0 PI77506 --or--
  • Upgrade to Cumulative Fix 14 (CF14), targeted for 2Q 2017.
IBM WebSphere Portal 8.5 PI77506
  • Upgrade to Cumulative Fix 13 (CF13) and then apply the Interim Fix PI77506.
  • Upgrade to Cumulative Fix 14 (CF14), targeted for 2Q 2017.
(Combined Cumulative Fixes for WebSphere Portal

Workarounds and Mitigations


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Complete CVSS v3 Guide
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Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

2 May 2017: Original version 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.


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 information

More support for: WebSphere Portal

Software version: 8.5, 9.0

Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows

Reference #: 2000153

Modified date: 02 May 2017