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CVE-2021-35244

Unrestricted File Upload Causing Remote Code Execution: Orion Platform 2020.2.6

HIGH
7.2
CVSS Score
Published: December 20, 2021 at 08:08 PM UTC
Updated: June 17, 2026 at 03:57 AM UTC
1 product affected across 1 vendorOrion Platform· also runs on 1 platform

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Severity
HIGH7.2
Exploit prediction
EPSS 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Orion Platform· Solarwinds
95%
v < 2020.2.62020.2.6 HF 2 and previous versions ≤ v < 2020.2.6 HF 32020.2.62020.2.6 HF 2 and previous versions2020.2.6 hotfix12020.2.6 hotfix2
Affected range stops below 2020.2.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 2020.2.6 HF 3, so it looks safe — our inference, not a vendor statement
microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

References (4)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://documentation.solarwinds.com/en/Success_Center/orionplatform/content/core-secure-configuration.htm
x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://support.solarwinds.com/SuccessCenter/s/article/Orion-Platform-2020-2-6-Hotfix-3?language=en_US
x_refsource_MISCNot ApplicableVendor Advisory
Source: [email protected]
https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35242
x_refsource_MISCThird Party AdvisoryVDB Entry
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-22-375/

CVSS

7.2HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-434

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