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Security Bulletin: XML External Entity Injection vulnerability affects IBM Business Automation Workflow and IBM Business Process Manager (BPM) - CVE-2021-20482

Security Bulletin


Summary

IBM Business Process Manager and IBM Business Automation Workflow are vulnerable to a XML External Entity Injection attack.

Vulnerability Details

CVEID:   CVE-2021-20482
DESCRIPTION:   IBM Business Automation Workflow 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: https://exchange.xforce.ibmcloud.com/vulnerabilities/197504 for the current score.
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


Affected Product(s)Version(s)
IBM Business Automation WorkflowV20.0
V19.0
V18.0
IBM Business Process ManagerV8.6
V8.5


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 JR63230 as soon as practical:

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 JR63230

For IBM Business Process Manager V8.6
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR63230

For IBM BPM V8.5
· Upgrade to IBM BPM V8.5.7, apply Cumulative Fix 2017.06 and then apply iFix JR63230

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

Tuureee Korhonen

Change History

23 Apr 2021: Initial Publication

*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.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Document Information

Modified date:
23 April 2021

Initial Publish date:
23 April 2021

UID

ibm16446723

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