Unified Remote 3.9.0.2463 - Remote Code Execution | Advisories

Advisories

Unified Remote 3.9.0.2463 - Remote Code Execution

severity: critical
date: January 22, 2026
Affecting: Unified Remote 3.9.0.2463
CVE: CVE-2021-47891
CWE: CWE-306 Missing Authentication for Critical Function
CVSS: 9.3
CVSS V4 Vector: 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
References: ExploitDB-49587
Unified Remote Official Homepage
Unified Remote Download Page
Credit: H4rk3nz0
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.