CVE-2021-20306

Name: CVE-2021-20306
Creator: NVD / NIST
Published: 2021-06-01T14:15:08.56+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.66%

Last modified Jun 17, 2026

CVE-2021-20306 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. A flaw was found in the BPMN editor in version jBPM 7.51.0.Final. Any authenticated user from any project can see the name of Ruleflow Groups from other projects, despite the user not having access to those projects. EPSS estimates a 0.66% chance of exploitation in the next 30 days.

Description

A flaw was found in the BPMN editor in version jBPM 7.51.0.Final. Any authenticated user from any project can see the name of Ruleflow Groups from other projects, despite the user not having access to those projects. The highest threat from this vulnerability is to confidentiality.

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

0.66%

46.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Redhat	Descision Manager	7.0
Redhat	Jbpm	7.51.0
Redhat	Process Automation	7.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=1946213Issue Tracking, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1946213Issue Tracking, Vendor Advisory

Timeline

Published: Jun 1, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-20306?

How severe is CVE-2021-20306?

CVE-2021-20306 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.

How do I fix CVE-2021-20306?

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-2021-20306?

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

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Source: NVD / NIST