CVE-2020-5759
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductGrandstream Ucm6202 Firmware
PublishedJul 17, 2020
First seenJul 17, 2020
Weakness typeCWE-78OS command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| grandstream ucm6202_firmware | v ≤ 1.0.20.23 | — |
| grandstream ucm6204_firmware | v ≤ 1.0.20.23 | — |
| grandstream ucm6208_firmware | v ≤ 1.0.20.23 | — |
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