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CVE-2020-5722

Known Exploited (CISA KEV)CRITICAL

9.8

CVSS Severity Score

EPSS Score64.1710%

EPSS Percentile95.29th

PublishedMar 23, 2020

Last ModifiedOct 31, 2025

Vulnerability Description

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.

Affected Platforms (CPE)

💻

Grandstream

Ucm6200 Firmware

< 1.0.19.20

References & Advisories

🔗 http://packetstormsecurity.com/files/156876/UCM6202-1.0.18.13-Remote-Command-Injection.html

🔗 http://packetstormsecurity.com/files/165708/Grandstream-UCM62xx-IP-PBX-sendPasswordEmail-Remote-Code-Execution.html

🔗 https://www.tenable.com/security/research/tra-2020-15

🔗 http://packetstormsecurity.com/files/156876/UCM6202-1.0.18.13-Remote-Command-Injection.html

🔗 http://packetstormsecurity.com/files/165708/Grandstream-UCM62xx-IP-PBX-sendPasswordEmail-Remote-Code-Execution.html

🔗 https://www.tenable.com/security/research/tra-2020-15

🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5722

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