CVE-2020-16839
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Crestron Electronics Crestron DM-NVX-DIR和DM-NVX-ENT都是美国Crestron Electronics公司的一款虚拟交换设备。 多款 Crestron 设备中存在授权问题漏洞，该漏洞源于设备未对Websocket请求添加权限验证，攻击者可通过该漏洞发送未经认证的Websocket请求来修改密码。以下产品及版本受到影响：Crestron DM-NVX-DIR, DM-NVX-DIR80, DM-NVX-ENT 的 DM-XIO 1-0-3-802 补丁之前版本
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I. Basic Information for CVE-2020-16839
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
On Crestron DM-NVX-DIR, DM-NVX-DIR80, and DM-NVX-ENT devices before the DM-XIO/1-0-3-802 patch, the password can be changed by sending an unauthenticated WebSocket request.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
多款 Crestron 设备授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Crestron Electronics Crestron DM-NVX-DIR和DM-NVX-ENT都是美国Crestron Electronics公司的一款虚拟交换设备。 多款 Crestron 设备中存在授权问题漏洞，该漏洞源于设备未对Websocket请求添加权限验证，攻击者可通过该漏洞发送未经认证的Websocket请求来修改密码。以下产品及版本受到影响：Crestron DM-NVX-DIR, DM-NVX-DIR80, DM-NVX-ENT 的 DM-XIO 1-0-3-802 补丁之前版本
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2020-16839
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2020-16839 (3)
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https://www.security.crestron.com x_refsource_CONFIRM
-
https://support.crestron.com x_refsource_MISC
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IV. Related Vulnerabilities
V. Comments for CVE-2020-16839
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