critical9.8
CVE-2020-5759
Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via SSH.
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Grandstream | Ucm6202 Firmware | through 1.0.20.23 |
| Grandstream | Ucm6204 Firmware | through 1.0.20.23 |
| Grandstream | Ucm6208 Firmware | through 1.0.20.23 |