Vulnerability identifier: #VU50289

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-25274

CWE-ID: CWE-502

Exploitation vector: Network

Exploit availability: No

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

Vendor: SolarWinds

Description

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

The vulnerability exists due to insecure input validation when processing serialized data within the SolarWinds Collector Service MSMQ. A remote non-authenticated attacker can send specially crafted messages 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: 2019.2 - 2020.2.1 HF 2

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External links
http://www.trustwave.com/en-us/resources/security-resources/security-advisories/?fid=28389
http://documentation.solarwinds.com/en/Success_Center/orionplatform/Content/release_notes/Orion_Platform_2020-2-4_release_notes.htm
http://documentation.solarwinds.com/en/Success_Center/orionplatform/content/release_notes/orion_platform_2019-4-2_release_notes.htm

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.