CVE-2020-25209: 
YouTrack vulnerability analysis and mitigation

In JetBrains YouTrack before version 2020.3.6638, there was a vulnerability related to improper access control for some subresources that could lead to information disclosure via the REST API (Vendor Advisory, NVD). The vulnerability was discovered and reported by Yurii Sanin and was assigned CVE-2020-25209.

The vulnerability has been assigned a CVSS v3.1 base score of 7.5 HIGH with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. This indicates that the vulnerability is network exploitable, requires low attack complexity, needs no privileges or user interaction, and can result in high confidentiality impact (NVD).

The vulnerability could allow unauthorized access to information through the REST API due to improper access control mechanisms. This could potentially lead to the disclosure of sensitive information stored in the YouTrack system (Vendor Advisory).

The vulnerability is exploitable over the network and requires no special privileges or user interaction to exploit. The attack complexity is considered low, making it relatively straightforward to exploit by potential attackers (NVD).

The vulnerability was fixed in YouTrack version 2020.3.6638. Users are advised to upgrade to this version or later to mitigate the security risk (Vendor Advisory).