CVE-2021-35244

Unrestricted File Upload Causing Remote Code Execution: Orion Platform 2020.2.6

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.

Remediation

Solution:

  • SolarWinds recommends customers upgrade to the latest version once it becomes generally available.

Workaround:

  • 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

Category

6.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 8.32% Top 10%
Vendor Advisory solarwinds.com Vendor Advisory solarwinds.com Vendor Advisory solarwinds.com
Affected: SolarWinds Orion Platform
Published at:
Updated at:

References

Link Tags
https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35242 not applicable vendor advisory
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 notes vendor advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-375/ vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-35244?
CVE-2021-35244 has been scored as a medium severity vulnerability.
How to fix CVE-2021-35244?
To fix CVE-2021-35244: SolarWinds recommends customers upgrade to the latest version once it becomes generally available.
Is CVE-2021-35244 being actively exploited in the wild?
It is possible that CVE-2021-35244 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-35244?
CVE-2021-35244 affects SolarWinds Orion Platform.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.