CVE-2021-35244 json
Unrestricted File Upload Causing Remote Code Execution: Orion Platform 2020.2.6
published 2021-12-20 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-21887
- cvss
- 6.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.0%
- EPSS 6.0% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
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.
Patch / fix
- SolarWinds Orion Platform 2020.2.6 HF 3
Exploit prediction
5.96% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.8 | CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L |
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 8.5 | AV:N/AC:M/Au:S/C:C/I:C/A:C |
Affected products
- SolarWinds Orion Platform
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
solarwinds.com
/trust-center/security-advisories/cve-2021-35242
not-applicable, vendor-advisory
-
documentation.solarwinds.com
/en/Success_Center/orionplatform/content/core-secure-configuration.htm
vendor-advisory
-
support.solarwinds.com
/SuccessCenter/s/article/Orion-Platform-2020-2-6-Hotfix-3?language=en_US
release-notes, vendor-advisory
-
zerodayinitiative.com
/advisories/ZDI-22-375/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-35244
- NVD CVE-2021-35244
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