CVE-2021-27258: SolarWinds Orion Platform

Critical severity, CVSS 9.8. EPSS: 4% chance of exploitation in the next 30 days.

This vulnerability allows remote attackers to execute escalate privileges on affected installations of SolarWinds Orion Platform 2020.2. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SaveUserSetting endpoint. The issue results from improper restriction of this endpoint to unprivileged users. An attacker can leverage this vulnerability to escalate privileges their privileges from Guest to Administrator. Was ZDI-CAN-11903.

Affected products

Published 2021-04-14. Last modified 2026-06-17.