CVE-2020-4557

Name: CVE-2020-4557
Creator: NVD / NIST
Published: 2020-06-29T14:15:12.303+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.56%

Last modified Jun 17, 2026

CVE-2020-4557 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. IBM Business Automation Workflow 18.0, 19.0, and 20.0 and IBM Business Process Manager 8.5 and 8.6 are 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. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

IBM Business Automation Workflow 18.0, 19.0, and 20.0 and IBM Business Process Manager 8.5 and 8.6 are 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. IBM X-Force ID: 183611.

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

0.56%

42.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
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 Process Manager	8.5.0.0
Ibm	Business Process Manager	8.6.0.0

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/183611VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6241338Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/183611VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6241338Vendor Advisory

Timeline

Published: Jun 29, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-4557?

How severe is CVE-2020-4557?

CVE-2020-4557 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2020-4557?

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-2020-4557?

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

Scan your code now

Source: NVD / NIST