CVE-2021-47891

CRITICAL 9.8

Unified Remote 3.9.0.2463 - Remote Code Execution

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-306
Vendor	unified intents ab
Product	unified remote
Published	Jan 23, 2026
Last Updated	Apr 7, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Unified Intents AB / Unified Remote

3.9.0.2463

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/49587 unifiedremote.com: https://www.unifiedremote.com/ unifiedremote.com: https://www.unifiedremote.com/download vulncheck.com: https://www.vulncheck.com/advisories/unified-remote-remote-code-execution

Credits

H4rk3nz0