VULNERABILITY INTELLIGENCE

CVE-2021-47891

CVSS score9.8 CRITICAL
EPSS probability0.95%
CISA KEVNot currently listed
Published2026-01-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • disclosure@vulncheck.com: CWE-306

Primary references