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CVE-2020-5722

9.8, critical Known exploited

Grandstream Networks UCM6200 Series SQL Injection Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
9.8, critical critical CVSS v3.1
EPSS, next 30 days
84% higher than 99.6% of scored CVEs
Exploitation
Confirmed in the wild
Published
23 Mar 20206 years ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 28 Jan 2022. US federal agencies had to remediate by 28 Jul 2022, a deadline that has passed.

Required action. Apply updates per vendor instructions.

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.

Details

Vendor
Grandstream
Product
Grandstream UCM6200 Series
Weakness
CWE-89 (opens in a new tab)
Status
Analyzed
Updated
17 Jun 2026
Assigner
vulnreport@tenable.com

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

References 4

Exploit code 3

Other references 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Beyond this page

Is CVE-2020-5722 in your network?

This page tells you how dangerous CVE-2020-5722 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2020-5722 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

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  • EXYS7950 KONDRA

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.