This High severity Business Logic vulnerability was introduced in versions 6.0.0, 6.1.0, 6.2.0, 6.3.0, 7.0.0, 7.1.0, and
7.2.0 of Crowd Data Center.

This Business Logic vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N allows an unauthenticated attacker to expose assets in your environment
susceptible to exploitation which has high impact to confidentiality, no impact to integrity, no impact to availability,
and requires no user interaction.

Atlassian recommends that Crowd Data Center customers upgrade to latest version, if you are unable to do so, upgrade
your instance to one of the specified supported fixed versions:

• Crowd Data Center 7.2: Upgrade to a release greater than or equal to 7.2.2

See the release notes (https://confluence.atlassian.com/crowd/crowd-release-notes-199094.html). You can download the
latest version of Crowd Data Center from the download center
(https://www.atlassian.com/software/crowd/download-archive).

The National Vulnerability Database provides the following description for this vulnerability:

Improper Handling of Case Sensitivity vulnerability in LockOutRealm in Apache Tomcat. This issue affects Apache Tomcat:
from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through
8.5.100, from 7.0.0 through 7.0.109. Older unsupported versions may also be affected. Users are recommended to upgrade
to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.