CVEs / CVE-2020-5722
CVE-2020-5722: Grandstream Networks UCM6200 Series SQL Injection Vulnerability
- Known exploited in the CISA KEV catalog since 28 Jan 2022
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 84.2% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Grandstream UCM6200 series is vulnerable to an unauthenticated remote SQL injection via crafted HTTP request. Exploitation can allow for code execution as root.
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 and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a Grandstream UCM6200 Series | Before 1.0.20.17 | — |
Exploitation
| In CISA KEV since | 28 Jan 2022 |
|---|---|
| Due date for US federal agencies | 28 Jul 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-89 |
References
- CVE-2020-5722 on NVD
- CVE-2020-5722 in the CISA KEV catalog
- http://packetstormsecurity.com/files/156876/UCM6202-1.0.18.13-Remote-Command-Injection.html Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/165708/Grandstream-UCM62xx-IP-PBX-sendPasswordEmail-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- https://www.tenable.com/security/research/tra-2020-15 Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5722 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.