CVE-2020-5724

HIGH
7.5
CVSS Score
Published: March 30, 2020 at 07:03 PM UTC
Updated: June 17, 2026 at 03:22 AM UTC
7 products affected across 1 vendorUCM6204 FirmwareUCM6202 FirmwareUCM6208 Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 12%

Description

The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the HTTP server's websockify endpoint. A remote unauthenticated attacker can invoke the challenge action with a crafted username and discover user passwords.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.0.20.22
Affected range stops below 1.0.20.22, so it looks safe — our inference, not a vendor statement
v < 1.0.20.22
Affected range stops below 1.0.20.22, so it looks safe — our inference, not a vendor statement
v < 1.0.20.22
Affected range stops below 1.0.20.22, so it looks safe — our inference, not a vendor statement
v < 1.0.20.22
Affected range stops below 1.0.20.22, so it looks safe — our inference, not a vendor statement
v < 1.0.20.22
Affected range stops below 1.0.20.22, so it looks safe — our inference, not a vendor statement
v < 1.0.20.22
Affected range stops below 1.0.20.22, so it looks safe — our inference, not a vendor statement
v ≤ 1.0.20.20

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRMExploitThird Party Advisory
https://www.tenable.com/security/research/tra-2020-17

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-89

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