Actively exploited in the wild
Grandstream Networks UCM6200 Series SQL Injection Vulnerability
Grandstream - UCM6200 · Listed in the CISA KEV since 2022-01-28. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2020-5722
CriticalCVSS 9.8KEVSummary
The HTTP interface of the Grandstream UCM6200 series is vulnerable to an unauthenticated remote SQL injection via crafted HTTP request. An attacker can use this vulnerability to execute shell commands as root on versions before 1.0.19.20 or inject HTML in password recovery emails in versions before 1.0.20.17.
Risk Assessment
An attacker can execute commands as root, taking control of the device, or distribute malicious content in password recovery emails.
Recommendation
Update Grandstream UCM6200 to version 1.0.19.20 or 1.0.20.17 (or later) and restrict access to the HTTP interface from untrusted networks.
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Original NVD description (English source)
The HTTP interface of the Grandstream UCM6200 series is vulnerable to an unauthenticated remote SQL injection via crafted HTTP request. An attacker can use this vulnerability to execute shell commands as root on versions before 1.0.19.20 or inject HTML in password recovery emails in versions before 1.0.20.17.