CVE-2020-4446

Name: CVE-2020-4446
Creator: NVD / NIST
Published: 2020-05-06T14:15:11.02+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.90%

Last modified Jun 17, 2026

CVE-2020-4446 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. IBM Business Process Manager 8.0, 8.5, and 8.6 and IBM Business Automation Workflow 18.0 and 19.0 could allow a remote attacker to bypass security restrictions, caused by the failure to perform insufficient authorization checks. IBM X-Force ID: 181126.. EPSS estimates a 0.90% chance of exploitation in the next 30 days.

Description

IBM Business Process Manager 8.0, 8.5, and 8.6 and IBM Business Automation Workflow 18.0 and 19.0 could allow a remote attacker to bypass security restrictions, caused by the failure to perform insufficient authorization checks. IBM X-Force ID: 181126.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.90%

55.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Ibm	Business Automation Workflow	>= 18.0.0.0, <= 18.0.0.2
Ibm	Business Automation Workflow	>= 19.0.0.1, <= 19.0.0.3
Ibm	Business Process Manager	>= 8.0.0.0, <= 8.0.1.3
Ibm	Business Process Manager	>= 8.5.0.0, <= 8.5.7.0
Ibm	Business Process Manager	8.6.0.0

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/181126VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6205805Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/181126VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6205805Vendor Advisory

Timeline

Published: May 6, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-4446?

How severe is CVE-2020-4446?

CVE-2020-4446 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.90% probability of exploitation in the next 30 days.

How do I fix CVE-2020-4446?

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-2020-4446?

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

Scan your code now

Source: NVD / NIST