CVE-2021-38893

Name: CVE-2021-38893
Creator: NVD / NIST
Published: 2021-12-21T19:15:07.713+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.69%

Last modified Jun 17, 2026

CVE-2021-38893 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. IBM Business Process Manager 8.5 and 8.6 and IBM Business Automation Workflow 18.0, 19.0, 20.0 and 21.0 are vulnerable to stored 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. EPSS estimates a 0.69% chance of exploitation in the next 30 days.

Description

IBM Business Process Manager 8.5 and 8.6 and IBM Business Automation Workflow 18.0, 19.0, 20.0 and 21.0 are vulnerable to stored 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. IBM X-Force ID: 209512.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.69%

47.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions	Update
Ibm	Business Automation Workflow	18.0.0.0	—
Ibm	Business Automation Workflow	19.0.0.0	—
Ibm	Business Automation Workflow	20.0.0.0	—
Ibm	Business Automation Workflow	21.0.0.0	—
Ibm	Business Process Manager	8.5.0.0	—
Ibm	Business Process Manager	8.5.5.0	—
Ibm	Business Process Manager	8.5.7.0	Cf201612
Ibm	Business Process Manager	8.6.0.0	—
Ibm	Workflow Process Service	21.0.2	—

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/209512VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6526488Vendor Advisory
https://www.ibm.com/support/pages/node/6527782Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/209512VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6526488Vendor Advisory
https://www.ibm.com/support/pages/node/6527782Patch, Vendor Advisory

Timeline

Published: Dec 21, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-38893?

How severe is CVE-2021-38893?

CVE-2021-38893 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.69% probability of exploitation in the next 30 days.

How do I fix CVE-2021-38893?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-38893?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST