SQL Injection in Grandstream Ucm6202
CVE-2020-5726
The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the CTI server on port 8888. A remote unauthenticated attacker can invoke the challenge action with a crafted username and discover user passwords.
Vulnerability class: SQL Injection
EPSS: 0.042 (90.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Grandstream Ucm6202
- Grandstream Ucm6202_firmware
- Grandstream Ucm6204
- Grandstream Ucm6204_firmware
- Grandstream Ucm6208
- Grandstream Ucm6208_firmware
- N/a Grandstream Ucm6200 Series — versions 1.0.20.20 and below
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vulnreport@tenable.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
- vulnreport@tenable.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-5726?
- CVE-2020-5726 is a high-severity vulnerability in Grandstream Ucm6202, classified under SQL Injection. CVSS score: 7.5/10. Published 2020-03-30.
- How severe is CVE-2020-5726?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-5726 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.