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CVE-2022-0866

20
FAUCET Score

CVE-2022-0866 describes a concurrency issue in JBoss EAP (versions 7.1.0+) and WildFly (versions 11+ with Elytron enabled) that can lead to incorrect caller principal or role information being returned from an EJB configured with a RunAs principal. This vulnerability has a CVSS score of 5.3 (Medium), indicating a network-based attack with low complexity and a potential impact of information disclosure. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE. The EPSS score and FAUCET Risk Score are low, suggesting a minimal immediate threat.

Impacted Technologies

VendorProductVersion(s)CPE
>= 7.1.0CPE matchmatch criteria
cpe:2.3:a:redhat:jboss_enterprise_application_platform:*:*:*:*:*:*:*:*
13.0CPE matchmatch criteria
cpe:2.3:a:redhat:openstack_platform:13.0:*:*:*:*:*:*:*
>= 11.0.0, < 26.1.1CPE matchmatch criteria
cpe:2.3:a:redhat:wildfly:*:*:*:*:*:*:*:*
27.0.0CPE matchmatch criteria
cpe:2.3:a:redhat:wildfly:27.0.0:alpha1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.84%
Probability of exploitation in next 30 days
EPSS Percentile
54.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0084 is in the 34th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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

Patch Available

Vendor Patches (13)

redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.6 for RHEL 9Fixed in: rh-sso7-keycloak-0:18.0.3-1.redhat_00001.1.el9sso
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Application Platform 7Fixed in: wildfly
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8Fixed in: eap7-wildfly-0:7.4.5-3.GA_redhat_00001.1.el8eap
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7Fixed in: eap7-wildfly-0:7.4.5-3.GA_redhat_00001.1.el7eap
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7Fixed in: wildfly
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.5 for RHEL 7Fixed in: rh-sso7-keycloak-0:15.0.8-1.redhat_00001.1.el7sso
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.5 for RHEL 8Fixed in: rh-sso7-keycloak-0:15.0.8-1.redhat_00001.1.el8sso
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.6.1Fixed in: wildfly
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.6 for RHEL 7Fixed in: rh-sso7-keycloak-0:18.0.3-1.redhat_00001.1.el7sso
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.6 for RHEL 8Fixed in: rh-sso7-keycloak-0:18.0.3-1.redhat_00001.1.el8sso
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.6 for RHEL 9Fixed in: rh-sso7-0:1-5.el9sso
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.6 for RHEL 9Fixed in: rh-sso7-javapackages-tools-0:6.0.0-7.el9sso
View patch
redhatworkaround availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2022-0866Moderate

wildfly: Wildfly management of EJB Session context returns wrong caller principal with Elytron Security enabled

May 3, 2022

References

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