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CVE-2021-20306

17
FAUCET Score

CVE-2021-20306 is a confidentiality flaw in the jBPM BPMN editor (version 7.51.0.Final) affecting Red Hat Decision Manager, jBPM, and Process Automation. Authenticated users can view Ruleflow Group names from projects they lack access to, leading to information disclosure. Rated Medium (CVSS 4.3), this vulnerability has a low attack complexity and requires user authentication, with the primary impact being a breach of confidentiality. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
7.0CPE matchmatch criteria
cpe:2.3:a:redhat:descision_manager:7.0:*:*:*:*:*:*:*
7.51.0CPE matchmatch criteria
cpe:2.3:a:redhat:jbpm:7.51.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:a:redhat:process_automation:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.66%
Probability of exploitation in next 30 days
EPSS Percentile
47.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0066 is in the 58th percentile among its peer group of 21,974 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

redhatvendor investigatingvia nvd_reference
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Decision Manager 7Fixed in: Business-central
redhatvendor investigatingvia redhat_api
Product: Red Hat Process Automation 7Fixed in: Business-central

Vendor Advisories (1)

redhatCVE-2021-20306Low

Business-central: Ruleflow Groups from other projects displayed on BPMN editor despite user having no access to those projects

Apr 5, 2021

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingVendor Advisory