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Vulnerability record · CVE-2021-35222 · published 31 August 2021

CVE-2021-35222: Solarwinds orion platform cross-site scripting vulnerability

Solarwinds · Orion Platform

This vulnerability allows attackers to impersonate users and perform arbitrary actions leading to a Remote Code Execution (RCE) from the Alerts Settings page.

9.6 CVSS 3.1 Critical EPSS 2.6% · top 15.2% CWE-79 · Cross-site scripting
9.6CVSS 3.1 base score, v2 4.3
2.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

This vulnerability allows attackers to impersonate users and perform arbitrary actions leading to a Remote Code Execution (RCE) from the Alerts Settings page.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm Vendor Advisory
https://support.solarwinds.com/SuccessCenter/s/article/Mitigate-the-Resource-aspx-Reflected-Cross-Site-Scripting-Vulnera MitigationPatchVendor Advisory
https://support.solarwinds.com/SuccessCenter/s/article/Orion-Platform-2020-2-6-Hotfix-1?language=en_US PatchVendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35222 Vendor Advisory
https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm Vendor Advisory
https://support.solarwinds.com/SuccessCenter/s/article/Mitigate-the-Resource-aspx-Reflected-Cross-Site-Scripting-Vulnera MitigationPatchVendor Advisory
https://support.solarwinds.com/SuccessCenter/s/article/Orion-Platform-2020-2-6-Hotfix-1?language=en_US PatchVendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35222 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-35222), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.