This High severity Information Disclosure vulnerability was introduced in version 7.1.0 of Crowd Data Center and Server.

This Improper Authorization vulnerability, with a CVSS Score of 7.2 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N allows an unauthenticated attacker to expose assets in your environment susceptible to exploitation which has low impact to confidentiality, low 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 and Server 7.1: Upgrade to a release greater than or equal to 7.1.1

See the release notes (https://www.atlassian.com/software/crowd/download-archive). 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: