#VU48956 Embedded malicious code (backdoor) in Orion Platform

Vulnerability identifier: #VU48956

Vulnerability risk: Critical

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: N/A

CWE-ID: CWE-506

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 gain unauthorized access to the application.

The vulnerability exists due to presence of embedded malicious functionality in the application code (aka backdoor) that allows a remote attacker to gain unauthorized access to the application.

According to SolarWinds, Orion Platform software builds for versions 2019.4 HF 5 through 2020.2.1 are affected.

Note, this vulnerability is being actively exploited in the wild in a supply chain attack and is dubbed SUNBURST.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Orion Platform: 2019.4 HF 5 - 2020.2.1

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External links
https://www.solarwinds.com/securityadvisory

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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?

Yes. This vulnerability is being exploited in the wild.