Vulnerability identifier: #VU57635

Vulnerability risk: Medium

CVSSv3.1: 7.2 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2021-35215

CWE-ID: CWE-502

Exploitation vector: Local network

Exploit availability: Yes

Vulnerable software:
Orion Platform
Server applications / Remote management servers, RDP, SSH

Vendor: SolarWinds

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data in ActionPluginBaseView. A remote user can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Orion Platform: 2020.2 - 2020.2.5

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External links
http://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm
http://www.solarwinds.com/trust-center/security-advisories/cve-2021-35215
http://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/orion_platform_2020-2-6_release_notes.htm
http://www.zerodayinitiative.com/advisories/ZDI-21-1245/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.