CVE-2020-4794

Name: CVE-2020-4794
Creator: NVD / NIST
Published: 2020-12-21T18:15:16.04+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.84%

Last modified Jun 17, 2026

CVE-2020-4794 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. IBM Automation Workstream Services 19.0.3, 20.0.1, 20.0.2, IBM Business Automation Workflow 18.0, 19.0, and 20.0 and IBM Business Process Manager 8.6 could allow an authenticated user to obtain sensitive information or cuase a denial of service due to iimproper authorization checking. IBM X-Force ID: 189445.. EPSS estimates a 0.84% chance of exploitation in the next 30 days.

Description

IBM Automation Workstream Services 19.0.3, 20.0.1, 20.0.2, IBM Business Automation Workflow 18.0, 19.0, and 20.0 and IBM Business Process Manager 8.6 could allow an authenticated user to obtain sensitive information or cuase a denial of service due to iimproper authorization checking. IBM X-Force ID: 189445.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.84%

53.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Ibm	Automation Workstream Services	19.0.3
Ibm	Automation Workstream Services	20.0.1
Ibm	Automation Workstream Services	20.0.2
Ibm	Business Process Manager	8.0.0.0
Ibm	Business Process Manager	8.0.1.0
Ibm	Business Process Manager	8.0.1.1
Ibm	Business Process Manager	8.0.1.2
Ibm	Business Process Manager	8.0.1.3
Ibm	Business Process Manager	8.5.0.0
Ibm	Business Process Manager	8.5.0.1
Ibm	Business Process Manager	8.5.0.2
Ibm	Business Process Manager	8.5.5.0
Ibm	Business Process Manager	8.5.6.0
Ibm	Business Process Manager	8.5.6.1
Ibm	Business Process Manager	8.5.6.2
Ibm	Business Process Manager	8.5.7.0
Ibm	Business Process Manager	8.6
Ibm	Business Automation Workflow	18.0.0.0
Ibm	Business Automation Workflow	18.0.0.1
Ibm	Business Automation Workflow	18.0.0.2
Ibm	Business Automation Workflow	19.0.0.0
Ibm	Business Automation Workflow	19.0.0.1
Ibm	Business Automation Workflow	19.0.0.2
Ibm	Business Automation Workflow	19.0.0.3
Ibm	Business Automation Workflow	20.0.0.0
Ibm	Business Automation Workflow	20.0.0.1
Ibm	Business Automation Workflow	20.0.2.0

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/189445VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6359463Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/189445VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6359463Patch, Vendor Advisory

Timeline

Published: Dec 21, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-4794?

How severe is CVE-2020-4794?

CVE-2020-4794 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.84% probability of exploitation in the next 30 days.

How do I fix CVE-2020-4794?

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-2020-4794?

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

Scan your code now

Source: NVD / NIST