Unrestricted File Upload Causing Remote Code Execution: Orion Platform 2020.2.6
Priority MEDIUM 41CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.
Summary
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.
Why it matters now
EPSS 0.05956 93rd percentileScored 2026-11-07
Fix Fixed Orion Platform (SolarWinds): 2020.2.6 HF 3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SolarWinds | Orion Platform | 2020.2.6 HF 2 and previous versions to before 2020.2.6 HF 3 | 2020.2.6 HF 3 | Patch available | CNA |
- Orion Platform VendorSolarWinds Affected 2020.2.6 HF 2 and previous versions to before 2020.2.6 HF 3 Fixed in 2020.2.6 HF 3 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:solarwinds:orion_platform:*:*:*:*:*:*:*:* | before 2020.2.6 | Vulnerable | SolarWinds |
| cpe:2.3:a:solarwinds:orion_platform:2020.2.6:-:*:*:*:*:*:* | 2020.2.6 | Vulnerable | SolarWinds |
| cpe:2.3:a:solarwinds:orion_platform:2020.2.6:hotfix1:*:*:*:*:*:* | 2020.2.6 hotfix1 | Vulnerable | SolarWinds |
| cpe:2.3:a:solarwinds:orion_platform:2020.2.6:hotfix2:*:*:*:*:*:* | 2020.2.6 hotfix2 | Vulnerable | SolarWinds |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:solarwinds:orion_platform:*:*:*:*:*:*:*:* Versions before 2020.2.6 Vulnerable ·SolarWinds
- cpe:2.3:a:solarwinds:orion_platform:2020.2.6:-:*:*:*:*:*:* Versions 2020.2.6 Vulnerable ·SolarWinds
- cpe:2.3:a:solarwinds:orion_platform:2020.2.6:hotfix1:*:*:*:*:*:* Versions 2020.2.6 hotfix1 Vulnerable ·SolarWinds
- cpe:2.3:a:solarwinds:orion_platform:2020.2.6:hotfix2:*:*:*:*:*:* Versions 2020.2.6 hotfix2 Vulnerable ·SolarWinds
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
- Fix · CNA Orion Platform (SolarWinds) Fixed in 2020.2.6 HF 3
Timeline
- 2026-10-02 Threatist record created from CVE-2021-35244
- 2026-10-03 Alias added: GHSA-j7c8-fmh5-w5pf
References
Advisory 4
- https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35242
- https://documentation.solarwinds.com/en/Success_Center/orionplatform/content/core-secure-configuration.htm
- https://support.solarwinds.com/SuccessCenter/s/article/Orion-Platform-2020-2-6-Hotfix-3?language=en_US
- https://www.zerodayinitiative.com/advisories/ZDI-22-375/
More SolarWinds Orion Platform vulnerabilities
- TI-2020-08199 Authentication bypass in SolarWinds Orion Platform KEVCVSS 3.1CRITICAL 9.8
- TI-2022-17164 SolarWinds Platform Deserialization of Untrusted Data CVSS 3.1HIGH 8.8
- TI-2022-17166 Orion Platform SQL Injection Privilege Escalation Vulnerability CVSS 3.1HIGH 8.8
- TI-2021-14112 Chart Endpoint Deserialization of Untrusted Data Remote Code Execution Vulnerability CVSS 3.1HIGH 8.9
- TI-2021-14109 ActionPluginBaseView Deserialization of Untrusted Data RCE CVSS 3.1HIGH 8.9
- TI-2022-17818 SolarWinds Platform Deserialization of Untrusted Data Vulnerability CVSS 3.1HIGH 7.2
Sources
- CVE-2021-35244 · CVE Program
- CVE-2021-35244 · NVD
- FIRST EPSS
- GHSA-j7c8-fmh5-w5pf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences