VULNERABILITY INTELLIGENCE

CVE-2020-5759

CVSS score9.8 CRITICAL
EPSS probability3.20%
CISA KEVNot currently listed
Published2020-07-17
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

Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via SSH. An authenticated remote attacker can execute commands as the root user by issuing a specially crafted "unset" command.

Weakness classification

  • vulnreport@tenable.com: CWE-78
  • nvd@nist.gov: CWE-78

Primary references