SolarWinds Platform (Orion)
CVE-2021-27277: This vulnerability allows local attackers to escalate privileges on affected installations of SolarWinds Or…
This vulnerability allows local attackers to escalate privileges on affected installations of SolarWinds Orion Virtual Infrastructure Monitor 2020.2.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Orion Virtual Infrastructure Monitor 2020.2 | See the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
This vulnerability allows local attackers to escalate privileges on affected installations of SolarWinds Orion Virtual Infrastructure Monitor 2020.2. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the OneTimeJobSchedulerEventsService WCF service. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-11955.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.