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.
Published 2021-06-01 14:15:09
Updated 2022-08-05 15:19:49
Source Red Hat, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-20306

0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 21 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-20306

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.0
MEDIUM AV:N/AC:L/Au:S/C:P/I:N/A:N
8.0
2.9
NIST
4.3
MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
2.8
1.4
NIST

CWE ids for CVE-2021-20306

  • The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
    Assigned by: secalert@redhat.com (Secondary)

References for CVE-2021-20306

  • https://bugzilla.redhat.com/show_bug.cgi?id=1946213
    1946213 – (CVE-2021-20306) CVE-2021-20306 Business-central: Ruleflow Groups from other projects displayed on BPMN editor despite user having no access to those projects
    Issue Tracking;Vendor Advisory

Products affected by CVE-2021-20306

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