CVEvulnerability

CVE-2020-5759

9.8 CRITICAL Published 2020-07-17 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-07-17
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
10.0 HIGH — AV:N/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-78

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.

Affected configurations

• grandstream ucm6202 firmware (<= 1.0.20.23) • grandstream ucm6204 firmware (<= 1.0.20.23) • grandstream ucm6208 firmware (<= 1.0.20.23)

Related

Weakness · CWE (1)

  • CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness

References