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CVE-2020-10633

MEDIUM
6.1
CVSS Score
Published: April 8, 2020 at 12:03 AM UTC
Updated: June 17, 2026 at 02:48 AM UTC
5 products affected across 1 vendorEwon Cosy+ FirmwareEwon Flexy FirmwareNetworks Ewon Cosy

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.7%

Description

A non-persistent XSS (cross-site scripting) vulnerability exists in eWON Flexy and Cosy (all firmware versions prior to 14.1s0). An attacker could send a specially crafted URL to initiate a password change for the device. The target must introduce the credentials to the gateway before the attack can be successful.

Affected

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

Ewon Cosy+ Firmware· Hms Networks
95%
v < 14.1s0
Affected range stops below 14.1s0, so it looks safe — our inference, not a vendor statement
Ewon Flexy Firmware· Hms Networks
95%
v < 14.1s0
Affected range stops below 14.1s0, so it looks safe — our inference, not a vendor statement
hms-networks-ewon-flexy (same device)
Networks Ewon Cosy· Hms Networks
75%
v < 14.1s0
Affected range stops below 14.1s0, so it looks safe — our inference, not a vendor statement
Ewon Cosy· Hms Networks
60%
v < 14.1s0
Affected range stops below 14.1s0, so it looks safe — our inference, not a vendor statement
Ewon Flexy· Hms Networks
60%
v < 14.1s0
Affected range stops below 14.1s0, so it looks safe — our inference, not a vendor statement

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_MISCThird Party AdvisoryUS Government Resource
Source: [email protected]
https://www.us-cert.gov/ics/advisories/icsa-20-098-03

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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