CVE-2021-3717

Name: CVE-2021-3717
Creator: NVD / NIST
Published: 2022-05-24T19:15:09.143+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.30%

Last modified Jun 17, 2026

CVE-2021-3717 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A flaw was found in Wildfly. An incorrect JBOSS_LOCAL_USER challenge location when using the elytron configuration may lead to JBOSS_LOCAL_USER access to all users on the machine. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

A flaw was found in Wildfly. An incorrect JBOSS_LOCAL_USER challenge location when using the elytron configuration may lead to JBOSS_LOCAL_USER access to all users on the machine. The highest threat from this vulnerability is to confidentiality, integrity, and availability. This flaw affects wildfly-core versions prior to 17.0.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.30%

21.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redhat	Jboss Enterprise Application Platform	All versions
Redhat	Single Sign-On	All versions
Redhat	Wildfly Core	< 17.0
Redhat	Jboss Enterprise Application Platform	7.4
Redhat	Jboss Enterprise Application Platform	7.3

References

https://bugzilla.redhat.com/show_bug.cgi?id=1991305Issue Tracking, Third Party Advisory
https://security.netapp.com/advisory/ntap-20220804-0002/Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1991305Issue Tracking, Third Party Advisory
https://security.netapp.com/advisory/ntap-20220804-0002/Third Party Advisory

Timeline

Published: May 24, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3717?

How severe is CVE-2021-3717?

CVE-2021-3717 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3717?

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-2021-3717?

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

Scan your code now

Source: NVD / NIST