CVE-2020-4490

Name: CVE-2020-4490
Creator: NVD / NIST
Published: 2020-05-29T13:15:09.72+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.86%

Last modified Jun 17, 2026

CVE-2020-4490 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. IBM Business Automation Workflow 18 and 19, and IBM Business Process Manager 8.0, 8.5, and 8.6 could allow a remote attacker to bypass security restrictions, caused by a reverse tabnabbing flaw. An attacker could exploit this vulnerability and redirect a vitcim to a phishing site. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

IBM Business Automation Workflow 18 and 19, and IBM Business Process Manager 8.0, 8.5, and 8.6 could allow a remote attacker to bypass security restrictions, caused by a reverse tabnabbing flaw. An attacker could exploit this vulnerability and redirect a vitcim to a phishing site. IBM X-Force ID: 181989

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.86%

53.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Ibm	Business Automation Workflow	18.0.0.0
Ibm	Business Automation Workflow	19.0.0.0
Ibm	Business Process Manager	8.0.0.0
Ibm	Business Process Manager	8.5.0.0
Ibm	Business Process Manager	8.6.0.0

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/181989VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6217550Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/181989VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6217550Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-4490?

How severe is CVE-2020-4490?

CVE-2020-4490 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2020-4490?

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-2020-4490?

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

Scan your code now

Source: NVD / NIST