VULNERABILITY INTELLIGENCE

CVE-2020-5757

CVSS score9.8 CRITICAL
EPSS probability6.93%
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 HTTP. An authenticated remote attacker can bypass command injection mitigations and execute commands as the root user by sending a crafted HTTP POST to the UCM's "New" HTTPS API.

Weakness classification

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

Primary references