SolarWinds Platform (Orion)
CVE-2021-35216: Deserialization of Untrusted Data in Resource Controls Remote Code Execution
Insecure Deserialization of untrusted data remote code execution vulnerability was discovered in Patch Manager Orion Platform Integration module.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityHIGHCVSS 3.1 8.9
EPSS81%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 / branch | Fixed in |
|---|---|
| Patch Manager (Windows) 2020.2 | 2020.2.6 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
Insecure Deserialization of untrusted data remote code execution vulnerability was discovered in Patch Manager Orion Platform Integration module. An Authenticated Attacker with network access via HTTP can compromise this vulnerability can result in Remote Code Execution.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.