Security Bulletin: Information disclosure vulnerability affect IBM Business Automation Workflow and IBM Business Process Manager (BPM) - CVE-2020-4531

Summary

IBM Business Process Manager (Advanced) and IBM Business Automation Workflow are vulnerable to an information disclosure attack.

Vulnerability Details

CVEID:CVE-2020-4531
**DESCRIPTION:**IBM Business Automation Workflow and IBM Business Process Manager could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/182715 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

The recommended solution is to apply the Interim Fix (iFix) or Cumulative Fix (CF) containing APAR JR62491 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

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 JR62491
--OR–
· Apply cumulative fix Business Automation Workflow V20.0.0.2 or later

For IBM Business Process Manager V8.6
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR62491
--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 JR62491
--OR–
· Upgrade to Business Automation Workflow V20.0.0.2 or later

For IBM BPM V8.0
· Upgrade to IBM BPM V8.0.1, apply Fix Pack 3 and then apply iFix JR62491
--OR–
· Upgrade to Business Automation Workflow V20.0.0.2 or later

Workarounds and Mitigations

None