CVE-2020-5725

MediumCVSS 5.9/10Last modified Jun 17, 2026

Description

The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the HTTP server's websockify endpoint. A remote unauthenticated attacker can invoke the login action with a crafted username and, through the use of timing attacks, can discover user passwords.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-89

Affected software

Vendor	Product	Versions
n/a	Grandstream UCM6200 series	1.0.20.20 and below

References

http://packetstormsecurity.com/files/156976/Grandstream-UCM6200-Series-WebSocket-1.0.20.20-SQL-Injection.html
https://www.tenable.com/security/research/tra-2020-17Exploit, Third Party Advisory
http://packetstormsecurity.com/files/156976/Grandstream-UCM6200-Series-WebSocket-1.0.20.20-SQL-Injection.html
https://www.tenable.com/security/research/tra-2020-17Exploit, Third Party Advisory

Timeline

Published: Mar 30, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

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