SolarWinds Platform (Orion)

CVE-2021-35244: Unrestricted File Upload Causing Remote Code Execution: Orion Platform 2020.2.6

The "Log alert to a file" action within action management enables any Orion Platform user with Orion alert management rights to write to any file.

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 3.1 6.8
EPSS6.0%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 HF 3 or later

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

What it is

The "Log alert to a file" action within action management enables any Orion Platform user with Orion alert management rights to write to any file. An attacker with Orion alert management rights could use this vulnerability to perform an unrestricted file upload causing a remote code execution.

Workarounds

If you are unable to upgrade immediately. See SolarWinds Knowledgebase Article Below: https://support.solarwinds.com/SuccessCenter/s/article/Mitigate-the-Unrestricted-File-Upload-Causing-Remote-Code-Execution-Vulnerability-CVE-2021-35244

Sources

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

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