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Vulnerability record · CVE-2021-35244 · published 20 December 2021

CVE-2021-35244: Solarwinds orion platform unrestricted file upload vulnerability

Solarwinds · Orion Platform

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.

7.2 CVSS 3.1 High EPSS 5.8% · top 7.2% CWE-434 · Unrestricted file upload
7.2CVSS 3.1 base score, v2 8.5
5.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/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/Orion-Platform-2020-2-6-Hotfix-3?language=en_US Release NotesVendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35242 Not ApplicableVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-375/ Third Party AdvisoryVDB Entry
https://documentation.solarwinds.com/en/Success_Center/orionplatform/content/core-secure-configuration.htm Vendor Advisory
https://support.solarwinds.com/SuccessCenter/s/article/Orion-Platform-2020-2-6-Hotfix-3?language=en_US Release NotesVendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35242 Not ApplicableVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-375/ Third Party AdvisoryVDB Entry

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

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Source: NIST National Vulnerability Database (record CVE-2021-35244), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.