CVE-2021-47891: Unified Intents Ab Unified Remote

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Unified Remote 3.9.0.2463 contains a remote code execution vulnerability that allows attackers to send crafted network packets to execute arbitrary commands. Attackers can exploit the service by connecting to port 9512 and sending specially crafted packets to open a command prompt and download and execute malicious payloads.

Affected products

• Unified Intents Ab Unified Remote: version 3.9.0.2463 only

Published 2026-01-23. Last modified 2026-06-17.