CISA KEV catalog
Confirmed active exploitation.
Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.
- Name
- Grandstream Networks UCM6200 Series SQL Injection Vulnerability
- Added to catalog
- Remediation due date (US federal)
- 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.
Affected products
grandstream: ucm6200 firmware; grandstream: ucm6200
References7
- packetstormsecurity.com/files/156876/UCM6202-1.0.18.13-Remote-C… ExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/165708/Grandstream-UCM62xx-IP-PBX… ExploitThird Party AdvisoryVDB Entry
- www.tenable.com/security/research/tra-2020-15 ExploitThird Party Advisory
- packetstormsecurity.com/files/156876/UCM6202-1.0.18.13-Remote-C… ExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/165708/Grandstream-UCM62xx-IP-PBX… ExploitThird Party AdvisoryVDB Entry
- www.tenable.com/security/research/tra-2020-15 ExploitThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=… US Government Resource
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 84% percentile: 100 · as of 11 November 2026
- CWE
- CWE-89
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