CVE-2021-47891

Critical

Description

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductUnified Remote
PublishedJan 23, 2026
First seenJan 23, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Unified Intents AB Unified Remote3.9.0.2463—

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CVE-2021-47891 · Unified Remote · Dark Radar