Security Bulletin: Cross-Site Scripting vulnerability affect IBM Business Automation Workflow and IBM Business Process Manager (BPM) - CVE-2020-4557

Summary

IBM Business Process Manager and IBM Business Automation Workflow are vulnerable to a cross-site scripting attack.

Vulnerability Details

CVEID:CVE-2020-4557
**DESCRIPTION:**IBM Business Automation Workflow and IBM Business Process Manager 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: https://exchange.xforce.ibmcloud.com/vulnerabilities/183611 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

For earlier and unsupported versions of the products, IBM recommends upgrading to a fixed, supported version of the product.

Remediation/Fixes

The recommended solution is to apply the Interim Fix (iFix) or Cumulative Fix (CF) containing APAR JR62436 as soon as practical:

• IBM Business Automation Workflow (including fix for IBM Business Process Manager V8.6.0.0 2018.03)
• IBM Business Process Manager Advanced
• IBM Business Process Manager Standard
• IBM Business Process Manager Express

For IBM Business Automation Workflow V18.0,V19.0, and V20.0
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR62436
--OR–
· Apply cumulative fix Business Automation Workflow V20.0.0.2

For IBM Business Automation Workflow on Containers, see Readme for IBM Business Automation Workflow on Containers 20.0.0.1 IF001

For IBM Business Process Manager V8.6
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR62436
--OR–
· Upgrade to Business Automation Workflow V20.0.0.2 or later

For IBM BPM V8.5
· Upgrade to IBM BPM V8.5.7, apply Cumulative Fix 2017.06 and then apply iFix JR62436
--OR–
· Upgrade to Business Automation Workflow V20.0.0.1 or later

For IBM BPM V8.0
· Upgrade to IBM BPM V8.0.1, apply Fix Pack 3 and then apply iFix JR62436
--OR–
· Upgrade to Business Automation Workflow V20.0.0.1 or later

Workarounds and Mitigations

None