SolarWinds Platform (Orion)

CVE-2021-35221: ImportAlert Improper Access Control Tampering Vulnerability

Improper Access Control Tampering Vulnerability using ImportAlert function which can lead to a Remote Code Execution (RCE) from the Alerts Settings page.

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 3.1 6.3
EPSS2.0%Chance of exploitation in 30 days
Public exploitNot tracked
FixSee advisory

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) 2020.2.6 and previous versions to 2020.2.6 HF1Upgrade past 2020.2.6 HF1; see the advisory

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

What it is

Improper Access Control Tampering Vulnerability using ImportAlert function which can lead to a Remote Code Execution (RCE) from the Alerts Settings page.

Workarounds

If you are unable to upgrade immediately. See SolarWinds Knowledgebase Article Below: https://support.solarwinds.com/SuccessCenter/s/article/Mitigate-the-ImportAlert-Improper-Access-Control-Tampering-Vulnerability-CVE-2021-35221?language=en_US

Sources

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

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