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CVE-2021-47891

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/23/2026

Last Modified1/26/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-306

References

https://www.exploit-db.com/exploits/49587(disclosure@vulncheck.com)

https://www.unifiedremote.com/(disclosure@vulncheck.com)

https://www.unifiedremote.com/download(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/unified-remote-remote-code-execution(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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