SolarWinds Platform (Orion)

CVE-2021-35215: ActionPluginBaseView Deserialization of Untrusted Data RCE

Insecure deserialization leading to Remote Code Execution was detected in the Orion Platform version 2020.2.5.

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityHIGHCVSS 3.1 8.9
EPSS70%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable

Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.

Affected and fixed versions

Product / branchFixed in
Orion Platform (Windows) 2020.22020.2.6 or later

Always confirm against the vendor advisory, which lists every fixed hotfix.

What it is

Insecure deserialization leading to Remote Code Execution was detected in the Orion Platform version 2020.2.5. Authentication is required to exploit this vulnerability.

Sources

KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.

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