CVE-2020-5722
KEVHIGH 10.0EPSS 84.4%
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.
- CVSS v3.1
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v3.1
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0
- 10.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C - EPSS
- 84.41% chance of exploitation in the next 30 days, 100th percentile
- CISA KEV
- added 2022-01-28
- Nuclei
- critical · CWE-89
- Published
- 2020-03-23
- Updated
- 2025-10-21
Proof-of-concept exploits (3)
- http://packetstormsecurity.com/files/156876/UCM6202-1.0.18.13-Remote-Command-Injection.ht…
- http://packetstormsecurity.com/files/165708/Grandstream-UCM62xx-IP-PBX-sendPasswordEmail-…
- https://www.tenable.com/security/research/tra-2020-15