Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 2.0.0 to before version 2.0.14, private services (EnableShowInService: false) are enumerable via per-server endpoints, leaking name and timing data. This issue has been patched in version 2.0.14.
Exploitability
AV:NAC:LPR:NUI:NScope
S:UImpact
C:LI:NA:N5.3/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NAccess Control
Information Disclosure
Other